Why is $(document).ready not firing for me?

In a php file i have used include to include the following js.php file and prior to that i have included the jquery file. $(document).ready(function(){ …

Performance considerations of JSON vs. XML

I am using a webservice which provides a large result set either in XML or JSON format. Which format will be faster or better (perfomance based)? Also which language should I use to parse the XML/JSON?…

How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?

What is the difference between == and === in PHP? What would be some useful examples? Additionally, how are these operators used in JavaScript? Are they related to PHP?