span class="token operator">:</span> <span class="token string">'true'</span><span class="token punctuation">,</span>

  <span class="token function">dragOver</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token boolean">false</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>

  <span class=