Javascript Data Type How to - Compare arrays of different sizes

Question

We would like to know how to compare arrays of different sizes.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!-- www. j  a va  2  s  .c  o m-->
var a = [0, 1, 2, 3];
var b = [0, 1, 2];
var c = [0, 1, 3];
var compare = function (a1, a2) {
    var l = Math.min(a1.length, a2.length);
    for (var i = 0; i < l; i++) {
        if (a1[i] !== a2[i]) {
            return false;
        }
    }
    return true;
}
document.writeln(compare(a, c));

</script>
</head>
<body>
</body>
</html>

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