pan> <span class="token string">'Show(0)'</span><span class="token punctuation">,</span>
    <span class="token function">handler</span><span class="token punctuation">(</span><span class="token parameter">chart</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      chart<span class="token punctuation">.</span><span class="token function">show</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">)</span><span 