JavaScript

Overview:　　Javascirpt is a scripting language, is a literal translation script language, is an object-based scripting language, is a dynamic type, weak type, based on the language of the prototype, mainly for Web programmingFirst, what is javascript:

1 varpattern=/[a-z]+/;//greedy mode is used here.2 varStr= ' ABCDEFG '; 3Alert (str.replace (Pattern, ' 1 '));//all the strings become 1.4 5 varpattern=/[a-z]+?/;//The lazy mode is used here,6 varStr= ' ABCDEFG '; 7Alert (str.replace (Pattern, ' 1 ')

Logical operators are used to perform logical operations on one or more Boolean values. There are 3 logical operators in JavaScript, as shown in the following table. Operator Describe Example && Logic

I believe that when you finish reading this 100% original article, JavaScript Object-oriented and inheritance easy to take is no longer a problem.Unified HTML and CSS #app { position:relative; width:500px;

Implementation of the collectionfunction Set () {this.datastore = []; This.add = add; This.remove = remove; this.size = size; this.union = Union; This.intersect = intersect; This.subset = subset; this.difference = difference;

With the release of Node 7, more and more people are beginning to study async/await, which is said to be an end-level solution for asynchronous programming. The first time I saw this group of keywords was not in the JavaScript language, but in the

Before we talked about the JavaScript DOM object to get the two articles, this article is the third of this series of articles, click to review the two articles to better understand this article.Access to the DOM object of JavaScript (i);Getting the

Detailed instructions on the use of the mini-program digital scroll plug-in Es6 syntax is used to write a small program plug-in-number scrolling; : Wxml page layout code: {{num1}}{{num1Complete}} {{num2}}{{num2Complete}} {{num3}}{{num3Complete}}

Detailed usage of the mini-program checkbox component, and detailed usage of checkbox This article shares the usage of the mini-program checkbox component for your reference. The specific content is as follows: WXML {{item.value}} {{item}}

The code of the Vue cli + mui area rolling instance, climui Use vue cli + mui together to achieve the effect of region rolling. The method is as follows: Step 1 introduce mui css js @import url("/static/mui.min.css"); JS import mui from

A deep understanding of the specific use of slot and slot-scope in vue, vueslot-scopePreface The slot documentation in vue is short, and the language is concise. In addition, it differs in the usage frequency and sequence of common options such as

An Analysis of Angular19 custom form controls and angular19 1 Requirement When developers need a specific form control, they need to develop a control similar to the default form control usage as a form control; the custom form control must consider

How to Use the render function in Vue, vuerender Function Render Function Vue uses template to create your HTML. However, in special circumstances, this write mode cannot meet the requirements, and js programming capability is required. In this case,

Cross-origin ajax solution (recommended) during vue-cli development, vue-cliajax Objective: To access the background interface to obtain data for a project built using vue-cli during development, a cross-origin problem occurs. Configure the

Vue uses Enumeration type to implement detailed steps in HTML drop-down box, vue drop-down box The drop-down box contains the Value in option and the option to be displayed. Generally, the Value is used in the background, rather than the option

CSS naming rules and how to name CSS naming rules CSS naming rules Header: header Content: content/containe End: footer Navigation: nav Sidebar: sidebar Column: column Overall Layout width of the page peripheral control: wrapper Left and

The bootstrap fileinput plug-in allows you to preview and upload photos, As follows:   The Code is as follows: select an image change remove Select images within 1 MB Bootstrap-fileinput.css files :( github is

Css selector,(1) element Selector If you set an html style, the selector is usually an html element, such as p, h1, a, or even html.Html {color: black ;}H1 {color: blue ;}H2 {color: silver ;} Set styles for elements in xml documents:XML

Web Front-end vue implements Interpolation of text and output of original html and vue Interpolation Vue. js uses the HTML-based template syntax, allowing developers to explicitly bind the DOM to the data of the underlying Vue instance. All Vue. js

JS is compatible with the DOMContentLoaded events of all browsers, and jsdomcontentloaded When JavaScript is used to operate dom elements, the code for obtaining dom elements is usually placed inWindow. onload = function () {}Processing function,