JavaScript

In HTML5, a new geography API is added to identify and share geographic locations. Privacy StatementPrivacy is a concern when you share a physical location with a remote Web server. Therefore, the Geography API requires users to provide permissions

Delete data in an array Array.prototype.del = function (n) { if (nReturn This.slice (0,n). Concat (This.slice (n+1,this.length)); } Array Shuffle Array.prototype.random = function () { var nr=[], me=this, t; while (me.length>0) {

In JS, input type=file is commonly used in the file upload API, but feel that the network is not very clear, at the same time the online information is also more chaotic.As a result of development, so the Web site intends to use less third-party

problems with modifying global variables inside JavaScript functions Share | Today 10:44 Brahma Lotus | Browse 23 times JavaScript programming language functions Modify tagsThe code is as follows, why add function A () {}; This function cannot

Policy Mode : Define a series of algorithms, encapsulate them one by one, and make them interchangeable.My understanding is that the various methods are encapsulated into functions, and there is a common function that can invoke these methods. The

JavaScript Operations Dom Common API summaryText collation of JavaScript operation of some of the Dom's common api, according to its role in order to create, modify, query and other types of api, mainly used to review the basic knowledge, deepen the

In the previous article, we defined scopes as "a set of rules for managing and maintaining variables," and then it's time to discuss the scope of JS in depth, first of all we need to know that there are two main types of work in scope, one is

CSS flex-grow attributes of the Flexible elastic box model, flexibleflex-growInstance Make the second element three times the width of other elements: Div: nth-of-type (1) {flex-grow: 1 ;} Div: nth-of-type (2) {flex-grow: 3 ;} Div: nth-of-type (3

CSS3 custom scroll bar style, css3 custom scroll bar Do you think that the original scroll bar that comes with the browser is not beautiful? At the same time, you can see that the custom scroll bars of many websites appear high-end. Even the chrome32

Simple implementation of Vue observer, watcher, and vueobserver The series of non-chinamoocs series ~ =. = During daily project development, we pass the js Object to the data option in the vue instance as the basis for updating the view. In fact,

JS drag-and-drop function example based on object-oriented implementation, js drag-and-drop This document describes the drag and drop functions implemented by JS based on object-oriented methods. We will share this with you for your reference. The

Small clock in the garden, small clock in the garden

Analysis on setAttribute compatibility usage in javascript and setattribute compatibility This article analyzes the setAttribute compatibility usage in javascript. We will share this with you for your reference. The details are as follows: 1: We

Jquery implements simple waterfall stream layout and jquery waterfall Layout Is the principle that will be explained at the beginning Waterfall flow layout has two types: fixed column and non-fixed column. The first implementation is described here.

Common algorithms implemented by JS and common algorithms implemented by JS (1) array deduplication Principle: Define an object obj, and use the array element as the property name of obj to determine whether to duplicate the attribute name. Var

Nine Console commands that make JavaScript debugging easier, javascriptconsole 1. Command for displaying information common console Commands The most common one is console. log. 2. placeholders The preceding concentration on the console

Network requests (GET requests) of applets are described in detail. Applet network request GET Network requests are essential in applet development. Today we will talk about the simplest requests. We will try to upload and download these requests in

Implementation of htmlencode () and htmldecode () function instance analysis using alternative javascript methods, pythondecodeencode This article describes how to implement the htmlencode () and htmldecode () functions using javascript alternative

Background-color and background-image problems, background-image Today, when I found out that the background-color and background-image must be used together, I began to consider whether two of them can be used together to check the information of

1. Remove all spaces before and after the string:The code is as follows:Function Trim (str)         { Return str. replace (/(^ \ s *) | (\ s * $)/g ,""); }Note:If jQuery is used to directly use the $. trim (str) method, str indicates to remove all