Javascript Sort() Function

The sort() function of array object sorts the elements of an array. Use it for example to sort element of existing array.

Syntax

arr.sort(sortFunction)

Javascript Sort() Function Example1

<html>
<head>
<script type="text/javascript">
// Create an array.
var arr = [4, 11, 2, 10, 3, 1];
var newArray = arr.sort();
document.write(newArray);
</script>
</head>
<body>
</body>
</html>

This will produce following result

// ASCII character order
1,10,11,2,3,4

Javascript Sort() Function Example2

<html>
<head>
<script type="text/javascript">
// Create an array.
var arr = [4, 11, 2, 10, 3, 1];
//Define custom sort function
function CompareAndSort(first, second)
{
    if (first == second)
        return 0;
    if (first < second)
        return -1;
    else
        return 1; 
}
var newArray = arr.sort(CompareAndSort);
document.write(newArray);
</script>
</head>
<body>
</body>
</html>

This will produce following result