"kd">var</span> <span class="nx">data</span> <span class="o">=</span> <span class="p">{...};</span><br/><br/><span class="kd">function</span> <span class="nx">callback</span><span class="p">()</span> <span class="p">{</span><br/>    <span class="c1">// ...</span><br/><span class="p">}</span><br/><br/><span class="nx">element</span><span class="p">.</span><span class="nx">callback</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span><br/>    <span 