isArg</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#Set.prototype.some" title="Set.prototype.some( predicate [ , thisArg ] )"><span class="secnum">2.4</span> Set.prototype.some( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#Set.prototype.every" title="Set.prototype.every( predicate [ , thisArg ] )"><span class="secnum">2.5</span> Set.prototype.every( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><span class="