Run results for: Array concat vs spread operator vs push comparison

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36

Browser: Chrome 85

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Tests:

Array.prototype.concat
let array = [{'optionA': 1}, {'optionB': 2}, {'optionC': 3}]; return array.concat([{'optionD': 4}, {'optionE': 5}]);
spread operator
let array = [{'optionA': 1}, {'optionB': 2}, {'optionC': 3}]; return [...array, {'optionD': 4}, {'optionE': 5}];
Push
let array = [{'optionA': 1}, {'optionB': 2}, {'optionC': 3}]; array.push([{'optionD': 4}, {'optionE': 5}]); return array;