javascript - Stick ID to the HTML element (using js) instead of id-attribute? -

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First post on the Stakeoverflow Hope all is well!

Instead of using the HTML id attribute, I'm thinking of enclosing an ID value in JavaScript with HTML elements.

For example, say javascript variable htmlElement is a div then htmlElement.cssName will tell us its CSS class.

Now, how about 

  htmlElement.idProperty = "someValue"

? Then I can use the idProperty in event handlers. 

  this.idProperty

It's easy!

Is there anything wrong with doing this?

EDIT: Thanks for the reply! Very useful and educative, I wish I could check green on them all!

No , if you are dynamically building this item You can use this method, if you are doing it inside of html, then I recommend you to just type the name of html.

However, use a little note element.id instead of IdProperty. 

  element.id = 'my-id';

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