Tern Lint Demo /** * @type {Boolean} */ var test var test2 = test; test2 = 'hello' //Raise warning Demonstrates integration of Tern and CodeMirror. The following keys are bound: Ctrl-SpaceAutocomplete Ctrl-IFind type at cursor Alt-.Jump to definition (Alt-, to jump back) Ctrl-QRename variable Documentation is sparse for now. See the top of the script for a rough API overview.