const isEqual = (a, b) => JSON.stringify(a) === JSON.stringify(b); // Examples isEqual([1, 2, 3], [1, 2, 3]); // true isEqual([1, 2, 3], [1, '2', 3]); // false
function arraysAreIdentical(arr1, arr2){ if (arr1.length !== arr2.length) return false; for (var i = 0, len = arr1.length; i < len; i++){ if (arr1[i] !== arr2[i]){ return false; } } return true; }