Tern & ECMAScript5 support
tern provides a support for ES5 with ecma5.json. It uses acorn parser which is able to parse ES5 JavaScript code.
After installing and converting your project as Tern Project (see Tern-Eclipse-IDE), open Project Properties, click on Tern / Modules item and select the ECMAScript module and 5 version:
ECMAScript 5 gives the capability to provide completion for Array :
In this sample, arr is an Array of number, the completion for elt item provides Number methods :
