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Regular html attributes VS data attributes: What's the difference?
I see I can add a behavior to a HTML element by targeting that element's attribute E.g.
<p>What is Superman's real name?</p> <button answer="incorrect">Jim Kent</button> <button answer="correct">Clark Kent</button>
But I can also use a data attribute. E.g.
<button data-answer="incorrect">Jim Kent</button> <button data-answer="correct">Clark Kent</button>
What is the advantage of using a data-attribute over a regular attribute? Is there any additional functionality available? I don't get why adding data- to the attribute name makes a difference...
Thanks in advance!