JavaScript

Gof authoritative explanation is that the prototype pattern is a pattern that creates multiple objects based on this object by cloning an object.To implement this prototype pattern, you can use the method Object.create in ECMAScript 5 directly. It

1. Basic Observer modevarObserver =function(){ This. List = [];} Observer.prototype.sub=function(func) { This. List.push (func);} Observer.prototype.pub=function(msg) { for(vari = 0; i This. list.length; i + +){ This. List[i] (msg)}}

How the object array is created and accessed is skipped!Object1 functionbox (obj)2 {3 alert (obj.name);4 alert (obj,age);5 }6 7 varobj ={8Name: ' Vanquisherme ',9Age:25,Tenheight:172, OneAddress: ' Jiangsu ' A } - - box (obj); the //that's what

Picture preloading is a very common feature that is used by both PC and mobile, especially on mobile, as long as it involves loading more images. The following is used by the mobile side, introducing the Zepto. Lazyload

three layers overlap, click to toggle http://www.999jiujiu.com/JavaScript implements multiple overlapping layers of click-to-toggle effects

In front of the blog to talk about the Internet Explorer JavaScript debugging methods, today nothing to do the Firefox browser (Firefox) JavaScript debugging method also looked at, recorded here, I hope to help.The code page We used this time is the

var reg =/^[\u4e00-\u9fa5]{1,5}$/;   // only 1-5 characters in Chinesevar reg =/^[a-z]{2,5}$/;  // only 2-5 characters in uppercase Englishvar reg =/^[0-9-]{11,12}$/; // can only enter numbers and special characters-11-12 bits. var reg =/^[\u4e00-\

The difference between JavaScript = = and = = = = = and = = Determine whether the variables on both sides are equal, but there are differences First, = = = = = = = Identity, first compare the two sides of the variable data type is equal,

Window.event Object DifferencesIE: There are window.event objectsFF: No Window.event object. You can pass an event object to a function's arguments. such as Onmousemove=domousemove (event)gets the current mouse coordinatesIe:event.x and

JavaScript's functional scripting language features and its seemingly arbitrary writing style have led to a long-standing misunderstanding of the language that JavaScript is not a face toThe language of the image, or only partially with some

Inheritance is the most common concept in OO language, there are two types of inheritance, interface inheritance and implementation inheritance, interface inheritance only inherits method signature, and implementation inheritance is the real method

Js operation cookie $ (Function () {/*** version 1.0 * function: This file is intended to operate cookies through js, including the reading and writing of cookies * Author: guo jun Zhou * Email: 853547029@qq.com * example: * window. _ cookie.

JQuery sets the Text and Value2 selected by Select.Syntax explanation:Copy codeThe Code is as follows:1. $ ("# select_id"). change (function () {// code...}); // Add an event for Select, triggered when one of the Select events is selected2. var

Common JavaScript Array methods, javascript Array Determine whether an object is an Array: instanceof, Array. isArray () The instanceof operator can be used for a webpage or a global scope. If (value instanceof Array) {// determines whether the

JS is a method to achieve the fireworks animation effect of a dazzling web page. js is superb. This article describes how to use JS to implement the fireworks animation effect on a dazzling web page. Share it with you for your reference. The

Js implements the method of expanding the webpage window from the middle to the upper and lower. js window This example describes how to expand a webpage window from the center to the upper and lower pages. Share it with you for your reference. The

Jquery method for implementing the indicator board effect of the subway line, jquery Metro This article describes how Jquery achieves the indicator card effect on subway lines. Share it with you for your reference. The specific analysis is as

JS implements the method for non-stop flashing effect of the DIV layer corresponding to the clicked text, jsdiv This article describes how to implement the non-stop flashing effect of the DIV layer corresponding to the clicked text in JS. Share it

The countdown digital clock effect of JS web pages and the countdown digital clock of js pages The example in this article describes the digital clock effect of page countdown implemented by JS. Share it with you for your reference. The specific

How to preview images before uploading images in JS, js image Preview This document describes how to preview images before uploading images in JavaScript. Share it with you for your reference. The specific implementation method is as follows: Copy