</li></ol></emu-alg><p>The <code>length</code> property of the <code>deleteAll</code> method is <emu-val>0</emu-val>.</p></emu-import>
</emu-clause>

<emu-clause id="WeakMap.prototype.deleteAll">
    <h1><span class="secnum">7</span> WeakMap.prototype.deleteAll(...<var>items</var>)</h1>
    <emu-import href="./weak-map/prototype-delete-all.html"><p>When the <code>deleteAll</code> method is called, the following steps are taken:</p><emu-alg><ol><li>Let <var>len</var> be the actual number of arguments passed 