Arg ] )"><span class="secnum">3.7</span> Map.prototype.some( <var>callbackfn</var> [ , <var>thisArg</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#Map.prototype.every" title="Map.prototype.every( predicate [ , thisArg ] )"><span class="secnum">3.8</span> Map.prototype.every( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#Map.prototype.includes" title="Map.prototype.includes( searchElement )"><span class="secnum">3.9</span> M