arr1 = [1, 2, 3, 4, 5];
arr2 = [1, 2, 3, 6, 6];
var isEqual = true;
if (arr1.length === arr2.length) {
    for (var i = 0; i < arr1.length; i++) {
        if (arr1[i] !== arr2[i]) {
            isEqual = false
            break;
        }
    }
} else {
    isEqual = false;
}
console.log(isEqual);