Here is an example of using the useRef() hook to access the DOM element in a react component: importReact,{useRef,useEffect}from"react";exportdefaultfunction(props){constaRef=useRef();useEffect(function(){setTimeout(()=>{titleRef.current.textContent="Updated via ref"},1000);// Update the ...
It is used in React for creating a reference object within class components. This reference object has a property called current that can be adjusted to various values.Syntaxclass MyClass extends Component { classRef = createRef(); // ... } ...
javascript React中的useRef语法语法不对，应该是这样的：const canvasRef = useRef<HTMLCanvasElement>(nu...
Syntax const refContainer = useRef(initialValue); Advertisement - This is a modal window. No compatible source was found for this media. Example In this example, we will build a React application that passes the ref object to two input fields. When clicked on a button, it will automatically...
{ "@babel/helper-plugin-utils": "^7.24.7" }, @@ -516,6 +525,8 @@ "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-logical-assignment-operators/-/plugin-syntax-logical-assignment-operators-7.10.4.tgz", "integrity": "sha512-d8waShlpFDinQ5MtvGU9xDAOzKH47+FFoney2baFIo...