"Latest" Base Fiddle

Latest copy of: -jQuery templates -KnockoutJS -KO Mapping plugin

by supercool

HTML

<script src="http://knockoutjs.com/downloads/knockout-3.0.0.debug.js"></script>
<script src="https://rawgit.com/SteveSanderson/knockout.mapping/master/build/output/knockout.mapping-latest.debug.js"></script>

JavaScript

var data = {
    a: "a",
    b: [{ b1: "v1" }, { b2: "v2" }] 
};

var result = ko.mapping.fromJS(data, { copy: "a" });

console.log(result); // check console you can see 'a' as plane string not a observable