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> <...
for example, what tools can be used to test the number of concurrency with high concurrency? Because my code does not involve the database, there is no bottleneck in this area. or is there any testing framework that can be used for stress testing? Thank...
defining the resources referenced by @ font-face s src in vue component s style will have a path problem. After build, the font resource path will be relative to the static css directory, and I want it to be relative to the dist directory . my pro...
same code, < input type= "text " v Melody model = "aa " @ input= "aa = aa.replace ( DMag, ) " > version 2.5 will still instantly display the input and then match it, while 2.4 will not show the matching content ...
I would like to ask, lumen framework, the interface returns 200000 pieces of data, directly return 400 errors, how can return a large amount of data? ...
I am based on https: www.cnblogs.com hucho. https: blog.csdn.net orangle. https: blog The flow chart sorted out by the three articles .csdn.net shenton. , Can you help me to see if there is any problem? ...