in the development of a react project, how to optimize multiple interfaces on a page? In react project development, multiple APIs are called on a page. for example, page calls API A-> B-> C to initialize the page, and the A, B, C API is used not only...
suppose the state in redux looks like this: state = { value: aaa , list:[ 123 , 321 , 12231 ] } The A component is an input,input whose value corresponds to the value in state. B component is a list,list content that needs to be obtai...
how does WeChat Mini Programs integrate redux? so that the state layer does not rely on WeChat Mini Programs, then web app and WeChat Mini Programs can almost use the same set of state layer programs? ...
how to dynamically generate react-navigation drawer navigation based on the permissions returned by the background? ...
If the store status of 1.redux is a reference type, you can directly modify the store.getState (). Xxx.xxx=? Modify it directly; let state1 = {person: {name: ss }} function reduce(state = state1, action) { return {...state} }...
this is the Table component {this.props.tableData.map((item, index) => { return ( <tr key={index}> <td>{item.id}< td> <td>{item.name}< td> <td>{item.price}< td> <td...
there are multiple levels of tab and step, in state. It is very painful to modify a deeper level of state. How to split reducer?? Or how to flatten the reducer? var tabs = [ { id:1, children:[ { id:11, ...
wepy-redux triggers action, in methods but does not trigger reducer ...
it is very common for an interview question. Although a large number of theoretical answers are found in the evening, I want to know how to separate the front and rear ends in practical projects . the concept of ssr server rendering has always been vag...
after webpack uses hot updates, redux reports an error as follows has tried a lot of methods, but it doesn t work. The react update uses webpack-hot-middleware + webpack-dev-middleware and uses node server.js to start the service. Hot updates are ...
this.handleClickRow = this.handleClickRow.bind(this) I can pass it this way without redux <BasicInformation basicInformationData = { basicInformationData } submitTaskId = { this.submitTaskId } getTaskId = { _self.state.selectTaskId } ...
constructor() { super(); this.state = { showPageGroup: [], current: 0, showPageNumber: 0, currentShowPage: 0, selectTaskId: [], ID preSelTaskIdQuantity: 0,...
redux ...
I want to add a mapDispatchToPropsReview, to this component, but I can t get it in props . main file import React from react ; import Review from . components Review ; import . assets styles index.less ; import rootReducer from .. .. .. ...
problem description use KOA2+Sequelize to make a simple todo column, access the remote interface, add and modify actions, and the local store data is emptied the environmental background of the problems and what methods you have tried search Baidu...
npm packet address https: www.npmjs.com package. the code is as follows: module.exports = { post: async function(url, headers, postBody) { const _self = this; var response = []; try { const response = await ...
< H1 > question 1 < H1 > what is the difference between the following two pieces of code, and why one uses ({}) and the other does not use toggleTodo = id => ({ type: TOGGLE_TODO , id }); toggleToChange = (id)=> { return { ...
There is store reducer action saga in redux. Where is everyone s business logic written? ...
import React from react ; import DifferentLabels from . DifferentLabels const DifferentLabelsDiv = ({ todos, toggleTodo }) => ( <div> {todos.map(todo => <DifferentLabels key={todo.id} ...
first paragraph import React from react import { connect } from react-redux import { addToCart } from .. actions cart-actions let AddTodo = ({ dispatch }) => { let input = ; return ( <div> <...
just get the rendered post-HTML content, save it to a string variable, and do not output ...
I want to add transition animation to the developed Vue project, with as few changes as possible, and provide cool effects. I wonder if you have any good plans? 1 transition components using Vue 2anime.js 3three.js at present, I can think of the ab...
Why is Object.prototype.toString.prototype undefined Object.prototype.toStringFunction Daily thinking Object.prototype.toString.prototype undefined questions all functions have prototype, but why is it undefined in the example? And undefined...
question: now I want to get the index of the row selected by Table. Does Element UI have a way to get the index of the row selected by Table? :EasyUIDataGridgetRowIndex() ...
Native textarea scrolls can be done with @ scroll , but the Input component in iView does not seem to provide on-scroll instruction. What should I do ? ...