Run results for: speed test: concat vs spread vs push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36 Edg/90.0.818.66

Browser: Chrome 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Tests:

concat
var array1 = ["dog", "cat", "red", "blue", "yellow", "one", "two" ]; var array2 = ["bird", "snake", "green", "brown", "black", "three", "four" ]; array1.concat(array2);
push
var array1 = ["dog", "cat", "red", "blue", "yellow", "one", "two" ]; var array2 = ["bird", "snake", "green", "brown", "black", "three", "four" ]; array2.map(el => array1.push(el));
spread
var array1 = ["dog", "cat", "red", "blue", "yellow", "one", "two" ]; var array2 = ["bird", "snake", "green", "brown", "black", "three", "four" ]; array1 = [...array1, ...array2];