Benchmark: Underscore vs Lodash: _.each

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/0.7.0/lodash.min.js'></script>
<script type="text/javascript">
  window.lodash = _;
  _ = null;
</script>

<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.3.1/underscore-min.js'></script>
<script type="text/javascript">
  window.underscore = _;
  _ = null;
</script>

Script Preparation code:

var dataset = [{
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
    {
        "$id": "https://example.com/person.schema.json",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "title": "Person",
        "type": "object",
        "properties": {
            "firstName": {
                "type": "string",
                "description": "The person's first name."
            },
            "lastName": {
                "type": "string",
                "description": "The person's last name."
            },
            "age": {
                "description": "Age in years which must be equal to or greater than zero.",
                "type": "integer",
                "minimum": 0
            }
        }
    },
];

Tests:

Underscore each
underscore.each(dataset, function (element) { return element.properties.age.description ; });
Lodash each
lodash.each(dataset, function (element) { return element.properties.age.description ; });
Native forEach
dataset.forEach(function (element) { return element.properties.age.description ; })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Underscore each
Lodash each
Native forEach

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36

Browser/OS: Chrome 91 on Linux

View result in a separate tab

Test name	Executions per second
Underscore each	3616758.0 Ops/sec
Lodash each	2965706.0 Ops/sec
Native forEach	7812000.0 Ops/sec

Underscore vs Lodash: _.each (version: 0)

Compare Underscore vs Lodash: _.each -- Which is faster?

Comparing performance of: Underscore each vs Lodash each vs Native forEach

Created: 2 years ago by: Guest

Jump to the latest result

Underscore each

Lodash each

Native forEach

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A