elpa-js2-mode

Emacs mode for editing Javascript programs

Description

This JavaScript editing mode supports:

 - the full JavaScript language through version 1.7
 - support for most Rhino and SpiderMonkey extensions from 1.5 to 1.7
 - accurate syntax highlighting using a recursive-descent parser
 - syntax-error and strict-mode warning reporting
 - "bouncing" line indentation to choose among alternate indentation points
 - smart line-wrapping within comments and strings
 - code folding:
   - show some or all function bodies as {...}
   - show some or all block comments as /*...*/
 - context-sensitive menu bar and popup menus
 - code browsing using the imenu' package
 - typing helpers (e.g. inserting matching braces/parens)
 - many customization options

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Homepage

https://github.com/mooz/js2-mode

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