I want to create my own tag such as
<store></store>, <market></market>
I want to create my own tag such as
<store></store>, <market></market>
It's possible, check out > Is there a way to create your own html tag in HTML5?
But it would cause your HTML to become invalid.
A custom tag serves the same purpose as a tag - it has no direct attribute and does nothing by default, but it can be styled by HTML and accessed by javascript.