Posts in the JavaScript category

There are several ways to solve the problem of browsers caching AJAX requests. You can use a 'cache buster' parameter, or you can set the response headers server-side. This article discusses these two options.

Nicolas Zakas (of Professional JavaScript, Second Edition fame) has a series of articles discussing improving Javascript performance - avoiding browsers complaining about long-running scripts. Some useful suggestions on how to optimise and chunk interactions.

Do you need to use the equivalent of Prototype's "bind" or "bindAsEventListener" in jQuery, passing through "this" context? Read on for more!

Want to know how to spell check an entire web page in Firefox? Or how to add spell-checking to fields that do not have it by default? Read on for more.

Communication from an iframe that has content from a domain other than the one the iframe is contained within is a constant source of frustration - as browsers prevent this kind of activity due to built-in security policies. Here is a technique to perform cross-site scripting (XSS) in just such an environment with example code and a real-world example.

If you have recently upgraded to the free Firefox extension Firebug 1.2 - then you may have experienced some difficulties with console.log throwing the following: ReferenceError: console is not defined. Read on for an explaination...

I recently ran into some strange behaviour using parseInt() to convert a string into an integer. It turns out that passing in the base (radix) of the number that the string prepresents is important to ensure the desired behaviour.