an class="token class-name">String</span><span class="token punctuation">(</span><span class="token string">'hello'</span><span class="token punctuation">)</span>
<span class="token keyword">const</span> s2 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">String</span><span class="token punctuation">(</span><span class="token string">'hello'</span><span class="token punctuation">)</span>
<span class="token keyword">typeof</span> <span class="token s