Is Crockford style Context Coloring implemented in any code editor?

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I just watched his video on that, great stuff. Had to give it a try, or checkout the project on GitHub https://github.com/daniellmb/JavaScript-Scope-Context-Coloring.

JavaScript Scope Context Coloring

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Vim (GitHub):

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Screenshot of context coloring in Emacs.

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As of Feb-13th 2013 Crockford has added an experimental context coloring feature to JSLint.