Programmer Think

In some applications, the product requirements are as follows: for example, when the user jumps to the route, the user needs to be prompted that the data of the current page has not been saved, and the user needs to be prompted to leave for confirmation. The general effect is as follows: image.png Previous router router pract ...

In the project, there is a bookshelf View provided to react native for use. It monitors the corresponding life cycle of react native to refresh the interface. The code is as follows //ViewManager public class BookShelfManager extends SimpleViewManager<BookShelfView> { private BookShelfView mBookShelfView; @Override ...

Preface Text component is a basic component in React. It is similar to TextView component on Android. It is used to display text. Besides basic display layout, this control can be nested, styled, and event handling functions can be added. Basic Usage Attribute method Here I just give some more commonly used attribute method ...

Inheritance of class in ES6 Parent class (base class) Subclass extends keyword //Parent class class Human{ //Constructor of the parent class constructor(name,age,sex,hobby){ this.name=name this.age=age this.sex=sex this.hobby=hobby } desc(){ const {name,age,sex,hobby}=this consol ...

1, class component creation method import React from 'react'; class B extends React.Component { constructor(props){ super(props); } render(){ return ( <div>hi</div> ) } } 2, Props external data class Parent extends React.Component { constructor(props){ super(props) this.state = {name:'frank'} ...

Article directory 1, Render props mode 1.1 overview of react component reuse 1.2 thinking analysis 1.3 operation steps 1.4 children instead of the render attribute 1.5 code optimization 2, High order components 2.1 overview 2.2 thinking analysis 2.3 use steps 2.3 settings ` displayName` 2.4 transf ...

In the previous article, we learned the use of route in React and created an import interface; this time, we learned the specific implementation of wallet and the development of login interface, and connected the three UI s of login interface, create wallet and import wallet through wallet. 1, Further ...

JavaScript code style 1. specification In order to agree on your code style, some relatively standard code style specifications have been born in the community: JavaScript Standard Style Airbnb JavaScript Style 2. ESLint ESLint only provides tools and rules, how to configure these rules depends on the user. This is ill ...

  Get JQueryUI http://jqweui.com/ Jquery WeUI is a jQuery implementation version of WeUI. In addition to the official plug-ins, it also provides a variety of extension components such as pull-down refresh, calendar, address selector, etc. The JS components in jQuery WeUI are provided in the form of jQuery plug-ins, which are ...

Step 1 download Icoont Alibaba vector map After logging in the website, add the required icon to the library as follows: Then download to local. (Note: the compressed package downloaded by my google browser is empty, and it was successfully downloaded by using other browsers.) It has the following contents: Step 2: crea ...