ass="param-desc">
    The index of the first element found, or -1 if not found.
</div>



<dl>
    <dt>
        Type
    </dt>
    <dd>
        
<span class="param-type"><a href="integer.html">integer</a></span>


    </dd>
</dl>

    





        
            

    

    
    <h4 class="name" id="forEach"><span class="type-signature"></span>forEach<span class="signature">(callback, thisToUse<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4>
    

    



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