Run results for: Array.flat() vs. concat() + spreadOperator + concat.apply()

Run details:

User agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:84.0) Gecko/20100101 Firefox/84.0

Browser: Firefox 84

Operating system: Fedora

Device Platform: Desktop

Date tested: 3 years ago

Tests:

concat() + spread operator
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = [].concat(...params);
Array.flat()
var params = [[1, 2, params], [ "hello", true, 7 ]]; var other = params.flat();
concat.apply()
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = [].concat.apply([], params);