import reducer from . reducer ; import {createStore, compose, applyMiddleware} from redux ; import thunk from react-thunk ; const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ | | compose; const enhancer = composeEnhance...
because there is an official react-dev-server, I use express to write a node server feel there is a conflict? How to solve it ...
like this: render() { this.context.antLocale.locale = this.props.lng return <div>< div> } it is possible to write in this way, but I don t know whether it conforms to the specification . ...
such as the title, found a lot of information did not understand, can you give a popular explanation? ...
problem description how to dynamically change the className of the header in the table of antd? Display different background colors according to the data the environmental background of the problems and what methods you have tried related codes ...
High-level components A import React from react const A = WrappedComponent =>{ class HOC extends React.Component { constructor(props){ super(props); this.WCRef = React.createRef(); } ...
I have two component:User,Admin. Now, after I call const user= < User >, how can I tell whether user is an instance of User or Admin ...
when using antd-mobile, I found that the Modal mask flashes when the mask component fades in and out. later, when I used chrome s animation to view the animation, I found that the animation of the mask layer was executed twice, that is, the first whit...
because components in react can only have one root element, when you have to render multiple elements, you have to build an element wrap, which is superfluous and uncomfortable. but vue only wraps elements that are not rendered, and there are similar ...
reudx middleware listens to saga, so the file to be maintained is saga.tsx saga reducer.tsx reducer index.tsx After , there are router, api, and so on to maintain. do you automatically scan all the pages in the pages folder and automat...
problem description how to introduce external js files in react the environmental background of the problems and what methods you have tried let isLoaded = true return new Promise(function (resolve, reject) { if (isLoaded) { ...
the figure is as follows: how do components get values in store dynamically, just like this.$store.state in vue? index.js import React from react ; import ReactDOM from react-dom ; import App from . App ; import { BrowserRouter } from r...
const [newLabelName, setNewLabelName] = useState ( ); const Search = () = > { return( <div className={styles.searchWrapper}> <Input placeholder="" > <Icon onClick={addItem} className={styles.addIcon} type="p...
problem description ...
how does iscroll disable drop-down? I don t seem to find in the document....
after clicking the play button or fast forward, the event of closing other areas becomes invalid, and it is normal not to touch the video area. has anyone encountered this situation? the page uses react ...
the react project created by Dva, combined with Cordova, is ready to encapsulate hybrid App. I want to use the cordova plug-in to call the camera. Is there any way to implement it? ...
the following three pictures. When npm run dev, syntax errors are reported. Is it a problem with babel configuration? is mainly because when you want to define a function, you don t want to use bind, so change it to the arrow function, but always repor...
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problem description Front-end UI custom components cannot delete ul tags Please paste the code text below (do not replace the code with pictures) ...
A move (first,modify) method is defined in js, which needs to pass in first,modify. Because I want to reuse the move function, but there are places where you don t need modify, and places where you don t need it, even if you pass a null value, you can...
at the end of the term, the school requires everyone to do a back-end management system. So I shut down the previous project and finished the background management system. As a result, just before I opened it, the code I wrote found this problem. TypeE...
The parameter form passed in 1.require.config (), does this mean to define a waitSeconds global variable? 2.require.onError is this the onError property of the custom require? Is it similar to window.xxx = function () {}? ...
description give an example of jQuery declaration file Chestnut interface JQueryStatic { ... <TElement extends Element = HTMLElement>(selector: JQuery.Selector, context?: Element | Document | JQuery): JQuery<TElement>; } i...
problem description using navicat, you cannot remotely connect to the mysql5.7 installed by centOS 7 the platform version of the problem and what methods you have tried Aliyun centOS 7 version has basically tried everything online. 1. The config...