8 examples to easily learn js reduce usage and reduce operation

Reduce is a powerful method in JavaScript. Some people may not have used it at all in normal development. Learn the usage of reduce and its common scenarios through the following 8 examples. The reduce method is an array iteration method. Unlike map and filter, the reduce method can cache a varUTF-8...

Posted by juliston on Thu, 23 Sep 2021 16:40:31 +0530

CSS3 new selector (attribute selector, structure pseudo class selector, pseudo element selector)

CSS3 new selector CSS3 adds attribute selector, structure pseudo class selector and pseudo element selector to us. Let us choose the target elements more conveniently and freely. 1, Attribute selector the attribute selector can select elements according to the specific attributes of the elemenUTF-8...

Posted by gerkintrigg on Thu, 23 Sep 2021 16:56:46 +0530

Summary of JavaScript (Chapter 1)

JavaScript Summary day1 This set of summary notes is mainly for students who have studied other advanced languages, because I omitted some of the same grammatical functions as the advanced ones! If you go into detail, the main functions of JS will be relied on before they are involved. This serUTF-8...

Posted by den160593 on Thu, 23 Sep 2021 23:21:39 +0530

react extension and basic use of hooks

1. setState Two ways to write setState update state (1). setState(stateChange, [callback])------Object-oriented setState 1.stateChange Change object for state(This object can reflect the change of state) 2.callback Is an optional callback function, After the status is updated and the interface UTF-8...

Posted by rckehoe on Fri, 24 Sep 2021 18:25:35 +0530

VUE3.0,DAY64, Vue programmed route navigation, cache route component, new life cycle hook (function)

Programmed route navigation As we know, generally speaking, a router link label is used to realize route jump. If you don't use it now, you will use programmed routing navigation. Next, in the previous case, we need to click the message button, and then click the button to display the message UTF-8...

Posted by hansman on Sun, 26 Sep 2021 13:14:01 +0530

Animation effect of CSS3 (knowledge points often asked in interview)

CSS3 animation take a look at the following effects. Can you use css animation? Urban hotspot map Typewriter effect Running bear if you don't know, take a look at the following animation introduction about CSS3! Learn CSS3 animation at one time. animation is one of the important features in CSUTF-8...

Posted by doood on Sun, 26 Sep 2021 23:00:57 +0530

Uni app learning notes

1. Uni app Foundation Official documents 1.1 what is uni app Uni app is a framework that uses Vue.js syntax to develop all front-end applications (also known as full-end development framework)The developer has written a set of code that can be distributed to iOS, Android, Web (response), and vUTF-8...

Posted by gamer on Mon, 27 Sep 2021 13:18:02 +0530

vue sub route jump implementation tab

At present, many background management systems adopt the layout of tab. The navigation bar is fixed on the left and the corresponding page is on the right. Each time you click the navigation title on the left, only the corresponding page on the right will switch. vue wants to do the tab. It is UTF-8...

Posted by WickedStylis on Mon, 27 Sep 2021 14:46:10 +0530

Teach you how to use the VSCode theme in Monaco Editor

background The author opened a small project code-run , a tool similar to codepen, in which the code editor uses Microsoft Monaco Editor , this library is directly generated from the source code of VSCode, but it has been modified to support running in the browser, but the function is basicallyUTF-8...

Posted by skyriders on Mon, 27 Sep 2021 17:38:45 +0530

Shang Yi Tong - Front End Build - Transform Template 02

1. Basic transformation process 1.1 Define Routing Module src/router/index.js Configure hospital setup management related routes { path: '/hosp', component: Layout, redirect: '/hosp/hospital/list', name: 'hospital', meta: { title: 'hospital management', icon: 'table' }, children: [ { path: 'hoUTF-8...

Posted by shibbi3 on Mon, 27 Sep 2021 22:07:30 +0530