Observe Attributes

HardDOM ManipulationAttributesPRO

Practice MutationObserver by watching a DOM element's data-state attribute and reflecting attribute changes in visible status text. This restored legacy exercise focuses on observing attributes rather than polling.

What you'll practice

Work with MutationObserver by watching a DOM element's data-state attribute and reflecting attribute changes in visible status text
This restored legacy exercise focuses on observing attributes rather than polling

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