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JavaScript CSS Selectors Quickstart The Role of Selectors in JavaScript Selectors in JavaScript Review

What's the benefit of using a custom data-* attribute to select an element with JavaScript?

What's the benefit of using a custom data-* attribute to select an element with JavaScript and a class to target the element with CSS?

1 Answer

Robert Manolis
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STAFF
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Robert Manolis
Treehouse Guest Teacher

Hey Hanwen Zhang , the custom data attribute can help make it easier to target a subset of a collection of elements with JS. And the class attribute is useful for selecting a group of elements to style them all with a single CSS rule. :thumbsup:

Thank you Robert