Javascript Data Type How to - Declare an array in javascript, having elements, 1, 2, 3....n

Question

We would like to know how to declare an array in javascript, having elements, 1, 2, 3....n.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!--  w  ww .j  a  v  a2  s . c  o  m-->
var arr = new Array(100);
for ( var j = 0; j < arr.length; j++) {
    arr[j] = j + 1;
}
document.writeln(arr[0]); // first index
document.writeln('<br/>');
document.writeln(arr[99]); // last index
</script>
</head>
<body>
</body>
</html>

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