through &quot;June&quot;.</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code><span class="token keyword">let</span> chart <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Chart</span><span class="token punctuation">(</span>ctx<span class="token punctuation">,</span> <span class="token punctuation">{</span>
    <span class="token literal-property property">type</span><span class="token operator">:</span> <span cla