Javascript Data Type How to - Replace backslash character with double backslash

Question

We would like to know how to replace backslash character with double backslash.

Answer


<!DOCTYPE html>
<html>
<body>
<script type='text/javascript'>
<!--from   ww w.j  a  v a2 s. c  o  m-->
var str = "\r\n";
var replaced = str.replace('\r\n', '\\r\\n');
document.writeln(replaced);

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

The code above is rendered as follows: