ref="../../dart-html/Node-class.html">Node</a></span>
            <span class="name ">insertBefore</span>
(<wbr><ol class="parameter-list"><li><span class="parameter" id="insertBefore-param-node"><span class="type-annotation"><a href="../../dart-html/Node-class.html">Node</a></span> <span class="parameter-name">node</span>, </span></li>
<li><span class="parameter" id="insertBefore-param-child"><span class="type-annotation"><a href="../../dart-html/Node-class.html">Node</a></span> <span class="parameter-name