ss="token punctuation">(</span><span class="token keyword">let</span> index <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> index <span class="token operator">&lt;</span> data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span>length<span class="token punctuation">;</span> <span class="token operator">++</span>index<span class="token punctuation">)</span> <span class="token punctuation">{</span>
          d