Configure useEffect
Sat Jan 08 2022 14:35:34 GMT+0000 (Coordinated Universal Time)
Saved by
@bapateprachee
#react.js
1) using [], Only once when component is intially rendered
useEffect(() => {
console.log('inside use effect')
}, [])
2) nothing, run at initial render and at every single re-render
useEffect(() => {
console.log('inside use effect')
})
2)[selectedItem], everytime whenever the state of selectedItem changes
useEffect(() => {
console.log('inside use effect')
}, [selectedItem])
3) [selectedItem > 2], everytime the condition matches
useEffect(() => {
console.log('inside use effect')
}, [selectedItem > 2])
content_copyCOPY
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