li><span class="item-toggle-none"></span><a href="#Map.prototype.mapValues" title="Map.prototype.mapValues( callbackfn, [ thisArg ] )"><span class="secnum">3.1</span> Map.prototype.mapValues( <var>callbackfn</var>, [ <var>thisArg</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#Map.prototype.mapKeys" title="Map.prototype.mapKeys( callbackfn, [ thisArg ] )"><span class="secnum">3.2</span> Map.prototype.mapKeys( <var>callbackfn</var>, [ <var>thisArg</var> ] )</a></li><li><span class="item