Benchmark: isEmpty vs length

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

// empty array
window.foo1 = [];

// array of strings
window.foo2 = ['a', 'b', 'c', 'd', 'e'];

// array of objects
window.foo3 = [{ a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }, { a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }, { a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }];

Tests:

isEmpty array of strings
_.isEmpty(window.foo2);
length array of strings
window.foo2.length === 0;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
isEmpty array of strings
length array of strings

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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36

Browser/OS: Chrome 94 on Windows

View result in a separate tab

Test name	Executions per second
isEmpty array of strings	2296551.0 Ops/sec
length array of strings	5282742.0 Ops/sec

isEmpty vs length (version: 0)

Comparing performance of: isEmpty array of strings vs length array of strings

Created: 2 years ago by: Guest

Jump to the latest result

isEmpty array of strings

length array of strings

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A