jsx

问题 I'm new to React and React Router. I'm using React Router v4 and following a tutorial based on previous versions - but I made it work (using some stuff found on SO and some stuff on the react router v4 docs). There is one thing though that is bothering me. I have a url http://localhost:3000/#/bugs, which basically loads a list of all my bugs. But I also have possible urls like http://localhost:3000/#/bugs?priority=low&status=open which loads a specific set of urls. The urls themselves work

问题 I was able to override the button inside the compononent but not able to call the local function, for example when I press "Refresh", nothing happen. Is this the correct way to override the button text and perform function. Your help is appreciate. Thanks. import { WebView } from 'react-native' import React, { PropTypes, Component } from 'react'; import { View, Text } from 'react-native'; import styles from '../src/styles/home' var WEBVIEW_REF = 'webview'; class WebViewComponent extends

问题 I've just started learning React and got stuck at this error. Uncaught TypeError: Cannot read property 'pathname' of undefined at new Router Here is my code: var React = require('react'); var ReactDOM = require('react-dom'); var { Route, Router, IndexRoute } = require('react-router'); var hashHistory = require('react-router-redux') var Main = require('./components/Main'); ReactDOM.render( <Router history={hashHistory}> <Route path="/" component={Main}> </Route> </Router>, document

问题 I have a little issue with React. I can't create a nested component with a for loop. What I want to do is create 9 cells of a table and then create 3 rows with 3 cells for every row and after that mount the 3 rows together and create a board 9x9. Let say that I want to get something like this, but using a loop class Board extends React.Component { renderSquare(i) { return <Square value={this.props.squares[i]} onClick={() => this.props.onClick(i)} />; } render(){ return( <div> <div className=

问题 _Header (cshtml) <div id="Help"></div> export default class Help { ReactDOM.render( <Help/>, document.getElementById('Help') ); } Help.js (component) } My goal is to render a help button on header. I've Created div tag with id help-modal , and a component rendering help button. I am connection those two in help.js by ReactDOM.render(.........); when I do npm run dist and dotnet run , and see the browser I couldn't see the button on header . Can any one help on this please ?? 回答1: You are

问题 _Header (cshtml) <div id="Help"></div> export default class Help { ReactDOM.render( <Help/>, document.getElementById('Help') ); } Help.js (component) } My goal is to render a help button on header. I've Created div tag with id help-modal , and a component rendering help button. I am connection those two in help.js by ReactDOM.render(.........); when I do npm run dist and dotnet run , and see the browser I couldn't see the button on header . Can any one help on this please ?? 回答1: You are

问题 I would like to create pluggable React components. Components are resolved by their class names, so I am naturally drawn to generics; but this doesn't seem to work. class Div<P, S, C extends React.Component> extends React.Component<void, void> { render() { return ( <div> <C /> // error: Cannot find name 'C'. </div> ); } } Is there an alternative way to write pluggable TypeScript components? 回答1: This isn't possible to do using generics, though it's not clear why you would want to use generics

问题 How can I use the style whiteSpace: 'pre-wrap' on React I have a div that need to render the text using the format with spaces render() { <div style={{whiteSpace: 'pre-wrap'}} keep formatting keep spaces </div> } 回答1: JSX collapses whitespaces, in this case you can use dangerouslySetInnerHTML like so var Component = React.createClass({ content() { const text = ` keep formatting keep spaces `; return { __html: text }; }, render: function() { return <div style={{ whiteSpace: 'pre-wrap' }}

问题 I can not remove following warning in react code. "Attribute className is not allowed here". Warning in PhpStorm Unknown HTML tag attribute can not be set to camelcase only lower case is saved, and turning the check off is not helping. Settings in Languages & Frameworks > JavaScript > Libraries Can you help me I have warnings for every attribute in jsx. Editor is set jsx harmony. 回答1: My problem with warnings in jsx was solved by instaling React-Template plugin. 回答2: I'm a little late on the

问题 i am using sublime text 3 as my code editor,i have written a basic hello world example in React.but the coloring is improper on the code ,i have tried installing Babel plugin but even after that also the coloring doesn't seem to work ,as you can see the image below 回答1: Just installing it isn't enough, you have to also tell SublimeText to use it. Either do a) Ctrl - Shift - P , type "Babel" and select Set Syntax: Javascript(Babel) or b) Go to the menu and do View->Syntax->Open all with