JavaScript

Use JavaScript to implement a small game of scissors and stone clothSimple parsing:The principle of scissors and stone cloth is similar to the comparison of the numbers in an array, of course, we can use the corresponding numbers to represent the

1. Basic methods:Push: Adding a return value to the end of the array is the new length of the arrayUnshift: Adding a return value to the beginning of the array is the new length of the arrayPop: Delete the end item of an array the return value is a

JavaScript, a function in JS, the first sentence var _this = This; Why do you do this? Here is the source code:1 The following code is a common site home page, automatically switch span or Tabbar to change the list display content of the key method:2

JavaScript Learning records day7-higher order functions[TOC]1. What is a higher order functionHigher-order functions are called Higher-order function in English. So what is a higher order function?JavaScript functions actually point to a variable.

Unknowingly do the front end has been more than five years, whether from the original jquery or now hot angular,vue,react such as the front-end framework, and even the rise of Nodejs and other services, in the final analysis, I always feel that all

1.JavaScript errors-throw, try, and catchThe try statement tests the code block for errors.The catch statement handles the error.The throw statement creates a custom error.1.1 JavaScript ErrorVarious errors occur when the JavaScript engine executes

the concept and role of 1:dom (Document Object Model)the Document object is a DOM core object: Manipulate content, attributes, and styles in HTML. Relationships between nodes in a node tree: Father and son, brother.2:dom Common PropertiesTitle:

The applet implements the skin replacement function and the applet skin replacement It is relatively simple to enable the skin replacement function on PCs or mobile terminals, that is, the css that requires skin replacement, and the normal css; Save

Web tile error analysis, web tile Error The instructor asked to create a jigsaw puzzle game on the web. Problems found: After you click the randomly generated puzzle button, the disordered images cannot be restored. Discovery process: each time a

Sample Code for webpack + vuex + axios cross-origin request data, webpackvuex This article describes the sample code for cross-origin request data of webpack + vuex + axios: Use vue-li to build a webpack project and modify the bulid/config/index. js

Based on the implementation method of clicking the external component in Vue to close the component, vue component Vue defines the global click function. The parameter is the click callback function. Vue. prototype. globalClick = function

Vue. js enables local image preview, cropping, compression, and uploading, and vue. js Cropping The following code involves Vue 2.0 and ES6 syntax. Target Pure javascrpit implementation, compatible with ie9 and later browsers, checks the file format,

Common basic notes for my HTML summary, html Summary HTML: Abbreviation of Hyper Text Markup Language (Hypertext Markup Language). HTML is not a program, but an identifier Language used to control data display on webpages.   HTML consists of a group

BOM application in JS and JSBOM Application We have mentioned that JS consists of three parts: BOM, which is used to operate browsers. In this lesson, we will mainly introduce BOM. BOM Basics Let's take a look at the basic function of BOM: open and

The applet implements the folding panel and the applet folds the panel. The examples in this article share the code of the small program MUI folding panel for your reference. The details are as follows: Implementation Principle By controlling the

Common vue project loaders and configuration details, vue loading configuration details This article describes common vue project loaders and their configuration details. The details are as follows: 1. Install sass: 1.1 because sass-loader depends

Example of the image upload function of a applet (front-end + PHP backend ), Preface Images are used in almost every program. Next we will introduce you to the front-end + PHP backend Implementation of the applet to implement the image upload

When js clicks, the menu method beyond the drop-down menu of this range is disabled. The js drop-down menu Example: $ (Function () {$ (document ). bind ("click", function (e) {// If the id is menu, the menu if(items (e.tar get ). closest ("# menu "

Released and used based on react backend rendering template engine noox, reactnoox The concept of React componentization has attracted more and more developers' attention. componentization helps developers decouple pages into one component, and the

Vue-based website front-end permission management (frontend and backend separation practices) and vue permission management As a popular language, Javascript is widely used. It can be seen everywhere from the front-end to the back-end, this