This refers to a non standard Iterator function which is analogous to the Map Iterator in ECMAScript 6.
Summary
The Iterator function.
Properties
Methods
-
next ( )
- Returns an item .
Description
An overview of the usage is available on the Iterators and Generators page.
Specification
ECMAScript 6/Harmony currently not in Draft.
http://wiki.ecmascript.org/doku.php?id=harmony:iterators&s=iterator#builtin_iterators
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