JavaScript

Before talking about this problem, it is necessary to mention the five basic types of JS, there are two kinds of online, six, seven, eight kinds of. This is not important, it is important that you understand and you practice are consistent on it. Do

The first and second sections of this series introduce JavaScript module prototypes and theoretical concepts, and today we show you how to use them in combat. I am using a very popular library require.js interested friends can understand the next

One or one-dollar operator1. Self-increment self-subtraction operator: divided into pre-and post -type;Front type: ++a;--a;Post-type: a++;a--;Cases:1 Among them a=i++, equivalent to a=i;i=i+1;And B=++j, the equivalent of j=j+1;b=j;2, unary plus

The Concat () method is used to concatenate two or more arrays.The method does not alter the existing array, but only returns a copy of the concatenated array.Grammar:Arrayobject.concat (Arrayx,arrayx,......, Arrayx)Arrayx required. The parameter

Sometimes we don't need a very powerful JavaScript template engine (such as jquery Tmpl or HANDLEBARSJS), we just need to bind some very simple fields in a simple template, this article will use very simple techniques to help you achieve this small

What is cross-domain?1, the Document.domain+iframe setting2. Create script dynamically3. Using IFRAME and Location.hash4, Window.name realization of cross-domain data transfer5. Use HTML5 postMessage6. Using FlashWhat is a cross-domainJavaScript is

　　Sometimes the end is not very good, but at least it is a kind of ending, this series of the last article settimeout, this is a confusing function, but also I have been in the slot JSReason, we do not see the source code JS, Setimeout also, from

1. Background of the problemEncounter a problem: there is an input box that requires only Chinese, numeric, and English (that is, filter special strings)2. JS Codefunction Checkusername (){Regular expressionsvar reg = new RegExp

We often have a requirement that, after adding or modifying a value in a sub-table, it is necessary to display its and displayed on the main sheet immediately in the main list. If implemented with a plug-in, you can achieve the sum, but the page

HTML>Head>Scripttype= "Text/javascript">functionPerformClick (elemid) {varElem=document.getElementById (elemid); if(Elem&&document.createevent) {//Sanity Check varevt=Document.createevent ("mouseevents"); Evt.initevent ("Click", true, false);

Js implements the method for controlling DIV movement by keyboard, and js keyboard div Movement This article describes how to control DIV movement by using the keyboard in JavaScript. Share it with you for your reference. The specific analysis is as

14 useful Jquery skills and 14 Jquery skills 1. Return the Jquery object instance through a method Use var someDiv = $ ('# somediv'). hide (); instead of var someDiv = $ (' # somediv'); someDiv. hide (); 2. Use find to find Use $ ('# somediv ').

5 Vertical center css and 5 center cssAbstract: We often encounter vertical content center requirements when creating pages. Today we share five vertical center methods, each of which has its own advantages and disadvantages. You can choose your

Nodeweibo user guide for a simple encapsulation library for node crawling Weibo data, nodenodeweibo I. Preface In July, I had the idea that I would use node to crawl Weibo data, so I simply encapsulated a nodeweibo database. After one year, the

Introduction to Array Operations in JavaScript and javascript Array Operations Array objects in JavaScript come with some methods that can be used to operate arrays.   Join ()   You can use the join () method to merge the members in the array into a

JS and design pattern ------ Command pattern CommandFirst, give a specific example, as follows: 1 function add (x, y) {return x + y ;}; 2 function sub (x, y) {return x-y ;}; 3 function mul (x, y) {return x * y;}; 4 function div (x, y) {return x/y ;};

In jQuery: Example of animated selector usage, jqueryanimated This document describes how to use the animated selector in jQuery. Share it with you for your reference. The specific analysis is as follows: This selector matches all elements that are

Example of JavaScript blocking event bubbling, javascript example Previously, I encountered an event bubble problem and went to the Internet to search for it. Most of the results were the same code, and the post was not very smooth. When FF is

Example of get () method usage in jQuery, jqueryget This document describes how to use the get () method in jQuery. Share it with you for your reference. The specific analysis is as follows: This method returns an array that matches all DOM elements

JavaScript Object-Oriented Programming-object copy for quickly building inheritance relationshipsIn the preceding example, we create an object through the constructor and want the object to inherit from another constructor. We can also directly