WebChanging the state Object. To change a value in the state object, use the this.setState() method. When a value in the state object changes, the component will re-render, meaning …Webthis.setState（{textinput:text}）} />：null} 显示 {renderList} ); },json,react-native,Json,React Native,我收到类似“警告：FlattChildren（…）遇到两个具有相同密钥的孩子”的警告，我正 …
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WebsetState( { ...state, [event.target.name]: event.target.value }); You can use that approach for button , input and textarea fields. Preview: set state with dynamic key-value pair Code: xxxxxxxxxx 1 // Note: Uncomment import lines while working with JSX Compiler. 2 // import React from 'react'; 3 // import ReactDOM from 'react-dom'; 4 5WebMar 3, 2024 · To manage the state, React provides a special method called setState (). You use it like this: class User { ... increaseScore () { this.setState ( { score: this.state.score + 1 }); } ... } Note how setState () works. You pass it an object containing part (s) of the state you want to update. opal aged care diamond creek