reactjs / reactjs/react.dev

useEffect example could use something different like scrollY or scrollX.

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JavaScript
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Description

The useEffect example in the "Synchronizing with Effects" could use a different example, maybe like a window.scrollX or a window.scrollY instead of e.clientX and e.clientY as they don't exist on a scroll event and cause it to show undefined on scroll event.

useEffect(() => { function handleScroll(e) { console.log(e.clientX, e.clientY); } window.addEventListener('scroll', handleScroll); return () => window.removeEventListener('scroll', handleScroll); }, []);

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Research direction

Find the useEffect example in the “Synchronizing with Effects” documentation page and review how its scroll handler reads event properties. Update the example to use the scroll position described in the issue, then verify the rendered example no longer logs undefined values for a scroll event.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, react
Domain
documentation
Issue type
Documentation
Difficulty
1/5
Estimated time
Under an hour
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
35/100

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