How to make spoilers in Markdown

spoiler.txt

<details>
	<summary>spoiler name here</summary>
	
	Spoiler text. Note that it's important to have a line break after the `<summary>` element, then you can add Markdown into the spoiler. Make sure to close it up with `</details>` afterwards.
	
	```js
	console.log("I'm a code block!");
	```
	
</details>

spoilers.md

Spoilers

Have a look at this spoiler.

Spoiler text. Note that it's important to have a line break after the <summary> element, then you can add Markdown into the spoiler. Make sure to close it up with </details> afterwards.

// code-block.js
console.log("I'm a code block!");

Do you see something different from what HTML actually can do? Yes, that's right, I'm quite sure you understand this is a spoiler made with Markdown.

To fully understand, copy the placeholder code above into a Markdown file.