WebFeb 9, 2024 · 71. createRef always returns a new ref, which you'd generally store as a field on a class component's instance. useRef returns the same ref upon every render of a …

useRef与createRef的区别2 - 腾讯云开发者社区-腾讯云

WebcreateRef takes no parameters. Returns . createRef returns an object with a single property: current: Initially, it’s set to the null. You can later set it to something else. ... In a function component, you probably want useRef instead which always returns the same object. const ref = useRef() is equivalent to const [ref, _] = useState ... WebcreateRef takes no parameters. Returns . createRef returns an object with a single property: current: Initially, it’s set to the null. You can later set it to something else. If you … putlocker bad moms christmas

javascript `useRef`和`createRef`有什么区别？ _大数据知识库

WebcreateRef 与 useRef 的区别. 事实上, 只要你认真读一下官方文档, 就会发现, 它们两个确实不一样. 官网的定义如下: useRef returns a mutable ref object whose .current property is … WebSep 16, 2024 · createRef is meant to be used in React class components for capturing DOM handles. useRef is meant to be used in React function components not only for capturing DOM handles but also as a persistent storage which emulates a class member variable in class components.. In your code (which I assume belongs to … WebNov 19, 2015 · If you’re using React 16.3+, the suggested way to create refs is using React.createRef(). ... Note: Don't initialize useRef with null in this case - it would make the renderCountRef type readonly (see example). If you need to … putlocker auto play