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        <emu-clause id="Map.prototype.some">
            <h1><span class="secnum">3.7</span> Map.prototype.some( <var>callbackfn</var> [ , <var>thisArg</var> ] )</h1>
            <emu-import href="./map/prototype-some.html"><p>When the <code>some</code> method is called, the following steps are taken:</p><emu-alg><ol><li>Let <var>map</var> be the <emu-val>this</emu-val> value.<ol><li>If Type(<var>map</var>) is not Object, throw a <emu-val>TypeError</emu-val> exception.</li><li>If <var>map</var> does not 