scroll to top in react
componentDidMount() {
window.scrollTo(0, 0)
}scroll to top in react
componentDidMount() {
window.scrollTo(0, 0)
}scroll to top in react
useEffect(() => {
window.scrollTo(0, 0)
}, [])scroll to top react
//__view.jsx
const ScrollTopView = (props) => {
const { onScroll, onVisbile, visible } = props
console.log(visible)
if (typeof window === 'object') window.addEventListener('scroll', onVisbile)
return (
<>
<div
style={{
position: 'fixed',
bottom: 30,
right: 30
}}>
<button
className='btn btn-primary btn-small'
onClick={onScroll}
style={{ display: visible ? 'inline-block' : 'none', borderRadius: 5 }}>
ScrollTop
</button>
</div>
<h1 style={{ position: 'fixed', bottom: 25, left: '40%', display: visible ? 'inline-block' : 'none' }}>End Scroll</h1>
</>
)
}
export default ScrollTopView
// index.jsx
import ScrollTopView from './__view'
import { createElement, useState } from 'react'
const ScrollTop = () => {
const [visible, setVisible] = useState(false)
const onVisbile = () => {
const scrolled = document.documentElement.scrollTop
if (scrolled >= 600) setVisible(true)
else if (scrolled <= 300) setVisible(false)
}
const onScroll = () => {
if (typeof window === 'object') window.scrollTo({ top: 0, behavior: 'smooth' })
}
return createElement(ScrollTopView, {
onScroll,
onVisbile,
visible
})
}
export default ScrollTopCopyright © 2021 Codeinu
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