How do you debug code in Firefox? The answer is that you use one of two eminent plugins:<ul> Firebug Venkman </ul>

Local procedure calls Given the scripting nature of the web non-obfuscated javascript code presents itself to the technical user almost as a public API. You can try it out yourself by writing: for (x in document){console.log(x);} in your browser javascript console. For more persistent changes to a sites behavior tools like Greasemonkey can be used. Last.fm and Spotify have done some integration by releasing a Greasemonkey script for last.fm. Remote procedure calls By using fiddler or Firefox Firebug [...]

In the first course in computer science we (students) received the following words of wisdom from the lecturer: Above anything avoid javascript. Pure javascript A few years later I started working as a programmer (late 2005) the need to do certain small things arose; impossible without the use of javascript. One of my coworkers showed me how to add some bits of extra functionality that the users needed (easier user interface). Later on there was a need for drag and drop in the browser. I implemented this[...]

A colleague told me about another initiative for graphics on the web. It turns out that John Resig has written a library for this.

There are some pitfalls for using javascript. Intellisense being one of them. Not to worry, a great starting point would be ScottGu’s blogg post about general javascript intellisense as well as his post about jquery intellisense. The nice thing is that you can get the yellow documentation hover for your own scripts as can be seen in Scotts first post.