Programmer Group

Intl.NumberFormat is an international digital processing scheme. It can be used to show the preference of different countries for digital processing. However, in general, we still process more Chinese numbers, but I find this Intl.NumberFormat is also very useful. Digital grouping new Intl.NumberFormat('zh-CN',{useGrouping:true}).format(123456 ...

In the actual development, we will encounter such a scenario: we need to register an event, but sometimes this event will be triggered frequently in a short time. The frequent execution of the event will lead to a large number of calculations by the browser and cause the page to jam and fake death. Therefore, we need to solve this problem t ...

introduction In a team that advocates "rapid development", the delivery date is often the first standard to measure the work. The way to solve problems will also be partial to violence. The way of violence often disgusts and loses voice. Especially when the interviewer asks about the difficulties in the development process, he can't ...

preface Hello, guys. In the previous article, we shared the Map data structure in ES6 in detail. This article will make a supplement to Map on the basis of the previous article. There is another knowledge about Map that has not been shared, that is, the mutual conversion between Map and other types. Through the study of the previous artic ...

1. Digital operation (1) Generates a random number in the specified range export const randomNum = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min; (2) Digit thousands separator export const format = (n) => { let num = n.toString(); let len = num.length; if (len <= 3) { return num; } else { ...

The code is already associated with github: Link address I think it's good. You can click star. Here you will continue to share your development experience (: As we all know, JSX is an extension of JS syntax and adds support for HTML syntax. It is only one CSS syntax support away from all in js. At present, 60 + libraries are well-known to ...

Front end programmers may not know generics very well. They may know generics if they know Java, a strongly typed language. They can use generics to write dynamically reusable TS code. In TS, generics are generally used for classes, interfaces and functions. Today, let's learn how to use generics in TypeScript and the scenarios where generics ...

music Dependency: APlayer.js > 1.8.0Meting.js > 1.1.1 The usage of hexo tag aplayer and MeingJS is excerpted from the official website: Chinese documents Start your own personal blog - > https://kartjim.top/2021/10/16/music hexo-tag-aplayer JavaScript based player plug-in github - DIYgod/APlayer Using the aplayer plug ...

1, Syntax and variables (1) . front end third floor (2) Writing position of JS   (3) . output statement   (4) . variable declaration promotion Variable declaration promotion: you can use a variable declared later in advance without throwing an exception Before executing all code, JS has a pre parsing stage, which will pre re ...

catalogue 1. Realization of rotation chart function 4.1 getting elements 1.2 left and right buttons display and hide 1.3 small circle dynamic setting click add class name click picture move 1.4 cloning small li cells 1.5 click the button on the right to scroll the picture 1.6 click the button on the right to change the small circle poi ...