<p>It has an inline code editor cum video viewer that lets you to see the tutorial and edit the code in the same window. Is that a plugin? For example, check <a target='_blank' rel='noopener noreferrer'  href="https://scrimba.com/casts/cast-6">this</a> out.</p>


It has an inline code editor cum video viewer that lets you to see the tutorial and edit the code in the same window. Is that a plugin? For example, check [this](https://scrimba.com/casts/cast-6) out.


How does Scrimba's inline code-editor cum video viewer work?