react js components

React JS Components:Components (Component) are designed to better maintain our applications and can update or change components without affecting other components.State: Is the source of the tagged data, we make the state simple and single, if we have a corresponding state, we should do the appropriate encapsulation, we should create a container component to hold

Abstract components in React and abstract react Components The abstraction between components to be learned today is actually not clear after I read it several times. This time I decided to find out. In component building, there is usually a type of function that needs to be

Elements, components, instances and nodes in React and react The React in-depth series provides an in-depth explanation of key concepts, features, and patterns in React, aiming to help you understand React and use

React Native Project Common third-party components summary: react-native-animatable Animation React-native-carousel Carousel React-native-countdown Countdown React-native-device-info Device Information

Performance Optimization of React components and react Performance Optimization Gartner: "We should forget to ignore small performance optimizations. in 97% of the cases, premature optimization is the source of all evil, we should focus on the other 3% of the Code that has the most critical impact on performance. " Do not waste the effort of Performance Optimizat

-native-easy-toast is an easy-to-use toast component that supports Androidios. tab Https://github.com/exponentjs/react-native-tab-navigator Material component library (a variety of beautiful widgets) Https://github.com/xinthink/react-native-material-kit Base Component library (various packages good widgets) http://nativebase.io/docs/v0.4.6/components#anatomyHttps

Since React is a interested in the V (view) of the MVC, it plays, and toolkits. This includes AngularJS and D3.A app with React and D3.js:/** @jsx react.dom*/varAPP =React.createclass ({getinitialstate:function () { return{data: [{val:5}, {val:4}, {val:7}, {val:6}, {val:8}, {val:1}]}, Componentwillmount:function() {setTimeout (function () { Thi

React native development, in order to encapsulate often need to customize the component, so that the parent and child components will appear, then how to communicate with each other between the parent and child components, that is, how to push and pop in their respective interface.Parent component passed to child component:Parent component:In the main component,

Detailed explanation of how react obtains Routing Parameters in components, detailed explanation of react component Routing Route Parameters If we have a lot of list pages, these pages have different dynamic content and other page parts are the same, how do we configure routes and components at this time? In this sc

Decoupling of components of React advanced learning and integration of react advanced learning Preface As we all know, the components in React are very flexible and scalable. However, with the increase of business complexity and the introduction of many external tool librari

In this lesson we'll learn how to render multiple component children from a single route.Define a named component by ' components ':headerbody: otherbody}}>The ' header ' and ' body ' are the key.Render:Const Container = (props) = ------------------Import React from ' React 'Import {hashhistory, Route, Router, Link, Indexroute} from'

React's JSX uses large, lowercase conventions to differentiate the classes and HTML tags of local components. Renders the local react component requires a label name that starts with an uppercase letter, which renders the HTML tag with the name of a label that begins with lowercase letters Attention: Because JSX is JavaScript, some identifiers class are like and for are not recommended as XML attri

In this lesson, you'll learn how to extend styles from the one styled-component to another in a React app. This was helpful when you had a styled-components that was similar but differ in one or more CSs properties.Import styled from ' styled-components '= Styled.button ' background-color: #FF851B; Border-radius:5px; Color:white; Display:block; Font-weight:b

(Platform.os = = = ' Android ') {Source = {Uri:res Ponse.uri, isstatic:true}; } else {Source = {uri:response.uri.replace (' file://', ' '), isstatic:true}; } this.setstate ({avatarsource:source}); }}); How to display pictures:Image source={this. State. Avatarsource} style={styles. /> Of course, we do not want to let the user choose the time, but directly call the camera or album, this component has other functions: Launch Camera: ImagePickerManager.Image

Non-State components (stateless Component) and higher-order components The stateless component (stateless Component) was introduced after react 0.14, greatly enhancing the convenience of writing react components and improving overall rendering performance. I. Non-state

, therendercontent of the child element can be changed through the parent element. The child, the parent element, passes through thepropstop-mounted method in the child element, allowing the child element to trigger the method in the parent element to communicate. Component On the last mention of JSX's usage, this time to speak of a communication between react components.

dynamically add, more cautious point better)Because the rendering and destruction of components is controlled by React, we do not know how to refer to them, so the Eventemitter mode is not very useful when dealing with components.Pub/sub mode can be used, you do not need to know the reference.Here's an example: the implementation has multiple product components,

=React.createclass ({ - getinitialstate:function() { + return { A Name:"', at Password:"', - Gender:"', - } - }, - HandleChange:function(name, event) { - varnewstate= {} in Newstate[name]=Event.target.value - This. SetState (newstate) to }, + Handleselect:function(event) { - This. SetState ({gender:event.target.value}) the }, * Render:function() { $ Console.log ( This. State)Pana

events, such as animation This must be mounted, and can not be dynamically added, cautious point better) Because the rendering and destruction of components is controlled by react, we do not know how to reference them, so the Eventemitter mode is not very useful in processing components. Pub/sub mode can be used, you do not need to know references. Here's an exa

Translated from: http://segmentfault.com/blog/nightire/1190000000753400Translator PrefaceThis is a question and answer from StackOverflow, asking people to think React compared to webcomponentsThere are some "congenital deficiencies", listed below: Native browser support Native syntax support (meaning not to mix style and structure in JS) Using the Shadow DOM package style Bidirectional