<summary>
All Tags not showing in online page, but show on view source.
<details>
<summary>Click for Home Detail</summary>
<p>There are your Detail for Home2IT.com</p>
</details>
Code show like this:
Click for Home Detail
There are your Detail for Home2IT.com
Browser Support
The <summary> tag is supported only Chrome and Safari.
What is summary tag
summary tag used to detail. Use summary tag into detail tag.
HTML5
summary tag is new in html5