</li><li><span class="item-toggle-none"></span><a href="#WeakSet.prototype.deleteAll" title="WeakSet.prototype.deleteAll(...items)"><span class="secnum">6</span> WeakSet.prototype.deleteAll(...<var>items</var>)</a></li><li><span class="item-toggle-none"></span><a href="#WeakMap.prototype.deleteAll" title="WeakMap.prototype.deleteAll(...items)"><span class="secnum">7</span> WeakMap.prototype.deleteAll(...<var>items</var>)</a></li><li><span class="item-toggle-none"></span><a href="#sec-copyright-and-software-