Attribute for storing additional info

I have a few links:

<a href="div1">link1</a>
<a href="div2">link2</a>
<a href="div3">link3</a>

And containers:

<div id="div1"></div>
<div id="div2"></div>
<div id="div3"></div>

When a user clicks o开发者_开发问答n a link the script gets container's Id from href attribute and shows correct div. But i don't want to use href attribute for that purpose. Is there any standard attribute for storing additional info?

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Data Attributes. They're non-standard for HTML revisions less than 5, but jQuery honors them: jQuery Data API.

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You can use data-* attributes.

<a href="div1" data-id="div1">link1</a>
<a href="div2" data-id="div2">link2</a>
<a href="div3" data-id="div3">link3</a>

And you can access the value from element.dataset.id

Edit: If you want to support older browsers too, you can use rel attribute.