Programmer Think

Some time ago, a friend asked me about a problem their company encountered. He said that the back-end didn't realize paging function for some reason, so he returned 20000 pieces of data at a time, and let the front-end display them in the user interface with select component. After listening, I immediately understood his confusion. If the 20000 ...

The basic syntax summary of ES6 | class Class and module, the default is strict mode, so you do not need to use strict to specify the running mode. As long as your code is written in classes or modules, only strict patterns are available. Considering that all code in the future is actually running in mo ...

Recently, we are developing a page to display pictures in batches. The adaptive arrangement of pictures is an unavoidable problem After paying for a lot of hair, I finally finished the picture arrangement and encapsulated it into components. The final effect is as follows     1, Design ideas In order to make the structure clear, I process the ...

Source Digging Booklet - react Actual: Design Patterns and Best Practices react design idea Property Expansion - Keep the props required by the current component and pass on other props var obj = {a: 1, b: 2, c: 3, d: 4, e: 5} const { a, ...other } = obj console.log(other) // {b: 2, c: 3, d: 4, e: 5} In react, the interface is entire ...

First of all, we have. net core 3.1 development environment by default. If you don't have it, go to download it https://dotnet.microsoft.com/download Since the project is developed based on abp vNext, it is recommended to go through the official documents of abp before development, https://docs.abp.io/en/abp/latest/ There are many ways to cre ...

This article shares the development process of a react animation component. Take a pop-up from the bottom as an example: A pop-up from the bottom similar to the action sheet. thinking 1. Click the bottom of the button to pop up the pop-up box 2. Mask background display at the same time 3. When you click to mask the background, the pop-u ...

1. Start from zero Event binding is the second lesson for beginners in web development, and learning event binding represents a new lesson in which you will challenge interaction.Let's first look at what native html + JavaScript does: Native mode: <div> <button onclick="greet()">Greet</button> </div> <script> ...

Example: get the distance from the button element to the top of the page ref is written on html elements import React,{Component,Fragment} from 'react'; import Child from './Child'; class Counter extends Component{ constructor(props){ super(props); this.addCount=this.addCount.bind(this); this.state={ ...

The lifecycle of a component can be divided into three states: Mounting: real DOM insertedUpdating: being re renderedUnmounting: moved out of the real DOM   Life cycle approaches include:componentWillMount is invoked before rendering and the client is also on the server side.componentDidMount: call after the first rendering, only on the client ...

Summary of core features of React 1. React: Declarative Development (JS or jQuery attribute command development) 2. Can coexist with other frameworks 3. Componentization 4. One-way data flow (A parent component can directly change the data of a child component, but a child component cannot directly change the data of a parent component)   Props ...