Run results for: Array conct vs something esa;djf;lkaj

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36

Browser: Chrome 94

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Array.prototype.concat	2723571.0 Ops/sec
spread operator	5539033.0 Ops/sec

Tests:

Array.prototype.concat
let filters = { item_id: ["asdf","asdf"] } const items = Array.isArray(filters.item_id) ? filters.item_id.join("','") : filters.item_id;
spread operator
let filters = { item_id: ["asdf","asdf"] } const items1 = [].concat(filters.item_id).join("','");