Javascript Data Type How to - Parse numbers mixed with letters

Question

We would like to know how to parse numbers mixed with letters.

Answer


<!DOCTYPE html>
<html>
<body>
<script type='text/javascript'>
<!--from ww  w  . j a v  a 2  s  .co m-->
var str="150px";
var str1 = (parseInt(str)+100)+"px";
document.writeln(str1);

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

The code above is rendered as follows: