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JavaScript

Tips

My favorite tip is something I use often when debugging objects. It's a snippet of code that will take an object and display all the properties and methods of that property. Although each browser is a little bit different, it's an invaluable tool for advanced programming with JavaScript.

Here's a sample. Type an object in the text field and click "Inspect" to see the result in the text area.
Object:
Inspect

Links

JavaScript Browser Sniffer -- a comprehensive listing of all the environment information you can get from a browser.

Danny Goodman's JavaScript Bible -- a great book covering the many changes to JavaScript. Free cheat sheet available on his site.

Mozilla's JavaScript References -- links to ECMAScript standard as well as other JavaScript resources.
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