Javascript Data Type How to - Insert elements into array between each elements

Question

We would like to know how to insert elements into array between each elements.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!--from  w  w  w. j  a v  a  2  s. c o m-->
function inject(original, val, times) {
    var res = [];
    for(var i=0; i < original.length; i++){
        res.push(original[i]);
        for(var j = 0; j < times; j++){
            res.push(val);
        }
    }
    return res;
}
var arr = [1, 2, 3, 4, 5];
var arr1 = inject(arr, 0, 3);
document.writeln(arr);
document.writeln('<br/>');
document.writeln(arr1);

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

The code above is rendered as follows: