JS JS Editor with code completion

Question

Does anyone know an Editor where I can develop JS directly in a browser using a js editor?

It would be nice if the code completion was customizable so that you could add your own objects and methods, possibly documentation for each method / object. Code completion is not required for objects that come with javascript (like windows), since we use Mozilla JS Framework Rhino.

Thanks in advance

Regards Flexo

Answer 1

JS/page editor, , Mozilla Bespin, https://bespin.mozillalabs.com, , .

JS JSLint Crockenator (Douglas Crockford), , http://www.jslint.com. , JavaScript.

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Answer 2

JsFiddle ( ).

Answer 3

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