JSFiddle - React, Tailwind, and code Playground

HTML

<link href="https://fonts.googleapis.com/css?family=PT+Mono" rel="stylesheet">

<img src="https://2ch.hk/pr/src/1362834/15524174295450.png" alt="">

<pre>
     JSON.parse("[{}]");
       (1) […]
          0: Object { }
          length: 1
          &lt;prototype&gt;: Array []
     JSON.parse("[{a}]")
     SyntaxError: JSON.parse: expected property name or '}' at line 1
     column 3 of the JSON data [Learn More]
</pre>

CSS

pre {
  font-family: 'PT Mono', monospace;
  font-size: 13px;
}