if two arrays are equal javascript code example
Example 1: check if 2 arrays are equal javascript
const a = [1, 2, 3];
const b = [4, 5, 6];
const c = [1, 2, 3];
function arrayEquals(a, b) {
return Array.isArray(a) &&
Array.isArray(b) &&
a.length === b.length &&
a.every((val, index) => val === b[index]);
}
arrayEquals(a, b);
arrayEquals(a, c);
Example 2: check if 2 arrays are equal javascript
var arraysMatch = function (arr1, arr2) {
if (arr1.length !== arr2.length) return false;
for (var i = 0; i < arr1.length; i++) {
if (arr1[i] !== arr2[i]) return false;
}
return true;
};