responseText contains extra whitespace characters (new lines, line feeds), how to prevent and remove them?

Question

I have an ajax script that calls a php file.

The php file echos \"yes\" or \"no\", I want to use the strings to do logical comparisons.

In the javascript,

Answer 1

In my case I solved this problem by removing spaces between two php blocks in same php file ( "...? > < ?php..." ) which it requires by require_once() method.

*this space might appear in the XHTTP responce*

--OR-- you can send your data as JSON Object from the server script (php) , for this you can use json_encode() . for the client side (javascript) you may use eval(this.responce) .