Javascript Data Type How to - Filter empty string from Array

Question

We would like to know how to filter empty string from Array.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!-- w w w  .  jav a  2s .  c  om-->
var searchterms = ['asdf', '', 'ed', '   ', 'd##'];
document.writeln(searchterms);
document.writeln('<br/>');
var newTerms = searchterms.filter(function(e) {
    return e.trim().length !== 0;
});
document.writeln(newTerms);

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

The code above is rendered as follows: