Javascript Data Type How to - Merge two integer array by adding value

Question

We would like to know how to merge two integer array by adding value.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!--from  w ww  .ja  va2s .co  m-->
Array.prototype.SumArray = function (arr) {
    var sum = [];
    if (arr != null && this.length == arr.length) {
        for (var i = 0; i < arr.length; i++) {
            sum.push(this[i] + arr[i]);
        }
    }
    return sum;
}
var array1 = [1, 2, 3, 4];
var array2 = [5, 6, 7, 8];
var sum = array1.SumArray(array2);
document.writeln(sum);

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

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