Isn&#x27;t that because it&#x27;s really JSX?<p><a href="https:&#x2F;&#x2F;facebook.github.io&#x2F;react&#x2F;docs&#x2F;jsx-in-depth.html" rel="nofollow">https:&#x2F;&#x2F;facebook.github.io&#x2F;react&#x2F;docs&#x2F;jsx-in-depth.html</a><p>[NB Not that I know, just checking my own understanding].