eAll(...<var>items</var>)</h1>
    <emu-import href="./weak-set/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 to this function.</li><li>Let <var>items</var> be the List of arguments passed to this function.</li><li>Let <var>weakset</var> be the <emu-val>this</emu-val> value.<ol><li>If Type(<var>weakset</var>) is not Object, throw a <emu-val>TypeError</emu-val> exce