Is there an IDE for javascript development with Google's Javascript APIs?

Is there an IDE for development with Google Javascript APIs specifically with autocomplete etc?

GWT only allows you to use Java or Python, but what if I wish to use javascript for开发者_开发技巧 native app development with Google APIs.

i just using NetBeans, add reference script to google and try to code. However you cannot copy Google Javascript APIs to local, i have try it :)

thanks.

Google just released the Google Plugin for Eclipse. This might help you.