In Defense of Descendant Selectors and ID Elements

Jeffrey Zeldman:

In this particular (and rare) circumstance, where dueling developers have added rule after rule to a huge, shapeless style sheet that is more of an archeological artifact than a reasonable example of modern code, Nicole’s admonition to avoid descendant selectors based on id is probably wise. If you have the misfortune to work on a huge, poorly developed site where you will never have permission to refactor the templates and CSS according to common sense and best practices, you may have to rely on class names and avoid descendant selectors and ids.

But under almost any other circumstance, properly used ids with descendant selectors are preferable because more semantic and lighter in bandwidth.

The old dog is back to stir the pot again.

Jake Bresnehan

A Front End Developer based in Sydney and the creator of Web Design Weekly.

Web Design Weekly keeps developers at the forefront of techniques and trends whilst helping them learn and grow to produce top quality code to make the web a better place for all.


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