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Javascript 2021-10-03 20:32:07
useref in functional component
/* A common use case is to access a child imperatively: */ function TextInputWithFocusButton() { const inputEl = useRef(null); const onButtonClick = () => { // `current` points to the mounted text input element inputEl.current.focus(); ... Add solution -
Javascript 2021-10-01 15:13:08
what does useref do react
/* A common use case is to access a child imperatively: */ function TextInputWithFocusButton() { const inputEl = useRef(null); const onButtonClick = () => { // `current` points to the mounted text input element inputEl.current.focus(); ... Add solution -
Html 2021-09-28 20:45:02
html video preload
const video = document.querySelector('video'); const mediaSource = new MediaSource(); video.src = URL.createObjectURL(mediaSource); mediaSource.addEventListener('sourceopen', function() { URL.revokeObjectURL(video.src); mediaSource.addSourceBuffe... Add solution -
Javascript 2021-08-29 11:11:01
react usememo
/* A common use case is to access a child imperatively: */ function TextInputWithFocusButton() { const inputEl = useRef(null); const onButtonClick = () => { // `current` points to the mounted text input element inputEl.current.focus(); ... Add solution
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