react-jsx

问题 My navigation reducer set up as such: const { StateUtils: NavigationStateUtils } = NavigationExperimental const initialState = { index: 0, key: 'root', routes: [{ key: 'login', title: 'Login', component: Login }] } function navigationState (state = initialState, action) { switch(action.type) { case PUSH_ROUTE: if (state.routes[state.index].key === (action.route && action.route.key)) return state return NavigationStateUtils.push(state, action.route) case POP_ROUTE: if (state.index === 0 ||

问题 I'm using Webpack, react, react-router, react-redux, redux, and simple-redux-router. I got this error while using react-router with async routes and server-side rendering: bundle.js:1 Warning: React attempted to reuse markup in a container but the checksum was invalid. This generally means that you are using server rendering and the markup generated on the server was not what the client was expecting. React injected new markup to compensate which works but you have lost many of the benefits

问题 I have a mapped const variable which I use to inject to my return in the render method. My issue is now, the object I am mapping, has a collection of objects itself. I would like to loop through each one and add jsx syntax in. This is what I have: const tasks = this.state.tasks.map((task) => { var editable = this.state.editableTasks.filter(id => id === task.Id).length > 0; return ( <li key={task.Id} className="list-group-item" style={{minHeight: '50px'}}> <div className="pull-left" style={

问题 I have <h1/> and <input/> elements, and once a text is inputted, a <button/> appears/renders 回答1: Although you might have to make some changes depending on your entire HTML structure and CSS styles, you could do <div style={{display: 'flex', flexDirection: 'column', alignItems: 'center'}}> <div> <h1>Do Not Move Me</h1> <input placeholder='Enter Name' onChange={this._displayButton} value={this.state.nameText} /> </div> <div> {this.state.textEntered ? <button type="submit" /> : null } </div> <

问题 I have <h1/> and <input/> elements, and once a text is inputted, a <button/> appears/renders 回答1: Although you might have to make some changes depending on your entire HTML structure and CSS styles, you could do <div style={{display: 'flex', flexDirection: 'column', alignItems: 'center'}}> <div> <h1>Do Not Move Me</h1> <input placeholder='Enter Name' onChange={this._displayButton} value={this.state.nameText} /> </div> <div> {this.state.textEntered ? <button type="submit" /> : null } </div> <

问题 i am using material UI dropdown component and trying to run a callback function only when user fills all the form and submits the form. On the call back function i intend to collect all the form field and generate url to call to api. My problem is that i can not use onChange as stated solution in #560 as i want to collect all the detail only when user clicks the submit button. It is also weird that at the moment, i am able to get value of all the other form element like slider, textfield

问题 I have a function which returns several lines of html, like so: render: function() { var badges = user.get('achievements').badges.map(function(badge) { var str = '<h3><span className="fa fa-fw ' switch(badge.id) { case '0': str += ('fa-briefcase"></span><small>' + badge.text + '</small></h3>') break; case '1': str += ('fa-shopping-cart"></span><small>' + badge.text + '</small></h3>') break; ... } return str; }); return ( <div className="pull-right"> {badges} </div> ); } On doing this the

问题 Let's say I'm rendering this component in React JSX: render() { return ( <h1 className="col-xs-6 col-xs-offset-3 col-md-4 col-md-offset-4 col-lg-2 col-lg-offset-5">Some text</h1> ); } The classes trigger my JS linter as a line that's too long, and it's very hard to read. How can I separate a long className property in a React component into multiple lines without breaking JSX syntax or triggering a different error in a JS linter? (I'm using ESLint). 回答1: Another Cleaner method will be to

问题 I am compiling my Reactjs files using webpack. In my project I need to make API calls to the backend. Now I have 3 environments which would local, development and production. So i have a constants.jsx file in which I have declared following:- export const url= 'http://localhost:8002/api/v0'; So in my components I import the url from above and use them to call APIS, but how I need to change above variable based on whether it is local, dev or prod. How do I implement above? 回答1: So I was trying

问题 So why is react complaining that I cannot have a 'tr' as a child of a 'td'? <tr> <td colSpan={2}> <tr> <td> <Some picture> </td> <td> <some content> </td> </tr> <tr> <td colSpan={2}> <p>Paragraph stuff</p> </td> </tr> </td> </tr> Maybe I have to put another table or something? 回答1: Yes, you'll need this mark up: <table> <tbody> <tr> <td colspan={2}> <table> <tbody> <tr> <td></td> <td></td> </tr> <tr> <td colspan={2}> <p>Paragraph stuff</p> </td> </tr> </tbody> </table> </td> </tr> </tbody> <