Can I add a custom attribute to an HTML tag?

html custom-attribute
lovespring picture lovespring · Nov 14, 2009 · Viewed 314k times · Source

Can I add a custom attribute to an HTML tag like the following?

<tag myAttri="myVal" />

Answer

Gumbo picture Gumbo · Nov 14, 2009

You can add custom attributes to your elements at will. But that will make your document invalid.

In HTML 5 you will have the opportunity to use custom data attributes prefixed with data-.

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