there is a solution for react performance optimization in "going deep into the React technology stack ". The original text is as follows (P106-P107 2.6 component performance optimization): as mentioned earlier, shouldComponentUpdate is the most comm...
question when I use the toJS method in immutable to turn an array of immutable objects into a normal array, an error occurs error message: TypeError: list.toJS is not a function the confusing thing is that when I went to yarn start for the first t...
Why can t I change the value when I send out action,? git: https: gitee.com ChuanChuan3. import React, {Component} from react import { ListItem, ListInfo, LoadMore } from .. style ; import { connect } from react-redux ...
git address https: gitee.com ChuanChuan3.git http download: https: gitee.com ChuanChuan3.ssh: git@gitee.com:ChuanChuan3 ReactBase.git Code import React,{ Component } from react ; import {CSSTransition } from react-transition-group ...
:sidebar :apivuex filtersidebar sidebarv-for clickMenucomponentvuex what is the cause of this? according to normal thinking, if the value of clickMenu sends a change, then v-for should re-render with the change ...
ssh_keygithub$ ssh -T git@github.com the ZGXXX zgxxx.github.io here is another project of mine. I can t figure out the relationship between them. Ask the great god for advice . ...
want to cross-domain request third-party API, front end uses ajax request, backend uses superAgent as relay, but ajax can not get a response, try to output response.status=0, but is response.readyStatus=4, because the back-end response is not written cor...
{this.state.count} <button onClick={this.add}>click< button> < div> ); } } export default App; according to official documents, repeating setState count: this.state.count + 1 is...
recently read es6 (Ruan Yifeng s introduction to es6)-ECMAScript 6 introduction to the data structure of the Map chapter here do not know how to ask the boss for advice. { [ a ]:555 } ...