React Js Reset/Clear form field after submit:To reset or clear a form field after submitting in React.js, you can utilize the concept of controlled components. First, you need to define a state variable that holds the values of the form fields. On form submission, you can handle the ...
> function check(form) { if(form.userId.value=='') { alert("请输入用户帐号...return false; } if(form.passwor...
target.value)} /> <button type="submit">提交</button> </form> ); } 使用ref:可以通过ref获取表单元素的引用,并在提交表单后通过ref.current.value来清除输入。示例代码如下: 代码语言:jsx 复制 import React, { useRef } from 'react'; function Form() { const inputRef = useRef(null); const ...
Accessible forms start with clear, descriptive labels for each field. All React Aria form components support labeling using the Label component, which is automatically associated with the field via the id and for attributes on your behalf.
FormEvent<HTMLInputElement>): void => { this.setState({ text: e.currentTarget.value }); }; render() { return ( <div> <input type="text" value={this.state.text} onChange={this.onChange} /> </div> ); } } View in the TypeScript Playground Instead of typing the arguments and ...
refs.form.getValue(); if (value) { console.log(value); // clear all fields after submit this.clearForm(); } }, render: function() { return ( <View style={styles.container}> <Form ref="form" type={Person} value={this.state.value} onChange={this.onChange.bind(this)} /> <...
(但form中没有submit的input时,会默认以一个button作为提交) 在官方文档中,还提到了一个hook叫useNavigation, 这应该是新版本的特性,因为在bing上搜索都没有对它的讨论。 import{ useNavigation }from"react-router-dom";functionSomeComponent() {constnavigation =useNavigation(); ...
import Formsy from 'formsy-react'; import {Input} from 'formsy-react-components'; export default class FormsyForm extends React.Component { enableButton() { this.setState({canSubmit: true}); } disableButton() { this.setState({canSubmit: true}); } submit(model) { FormActions.saveEmail(mo...
clearSearchOnChange onChange onNodeToggle onAction onFocus onBlur data texts keepTreeOnSearch keepChildrenOnSearch keepOpenOnSelect mode multiSelect hierarchical simpleSelect radioSelect showPartiallySelected showDropdown initial always form states (disabled|readOnly) ...
922 @(WKNavigationTypeFormSubmitted): @"formsubmit", 923 @(WKNavigationTypeBackForward): @"backforward", 924 @(WKNavigationTypeReload): @"reload", 925 @(WKNavigationTypeFormResubmitted): @"formresubmit", 926 @(WKNavigationTypeOther): @"other", 927 }; 928 }); 929 930 WKNav...