JavaScript

Script>functionsum (num) {if(Num1){return 1;}Else{returnNum*sum (num-1);Return Num*arguments.callee (num-1); Pointers//return 2;}}varsum1=sum; Alert (SUM1 (2));Script>The above code is very prone to problems when executing, we introduce a method,

Http://www.cnblogs.com/Cohlint/archive/2012/11/26/2788790.htmlThis JavaScript language is a great learning note. But it looks like a reading note, without delving into a point. such as closures. I still don't understand.For example, 17: The

　　Calculates the ele element distance from the leftmost and upper offset function offset (ele) { var L = ele.offsetleft; var t = ele.offsettop; L + = Ele.offsetParent.offsetLeft; T + =

JavaScript Process ControlProcess: is the execution order of the program code.Process Control: The program code is conditionally executed in a certain way through the prescribed statements.First, sequential structureExecution in the order of writing

First on the code:1(function(global) {2 varCreatescript, Insertscript, Makeloadqueue;3Createscript =function(SRC) {4 varscript;5Script = document.createelement (' script ');6SCRIPT.SRC = "" + src + ". js";7 returnscript;8 };9Insertscript

Some time ago to friends analysis of the common Jsonp cross-domain principle, cross-domain way There are many kinds of, here simply record a JSONP, explain the analysis of ideas, analysis process, to find ways to solve the problem.1.JavaScript How

It is also a one-day high-concentration development path module. I wish I could be so focused and efficient in the future (though I know it's hard to keep it that way, I'll stick to it.)At the end of the day, we developed the function of the route

Learn JavaScript people, mostly heard a word called JS inside everything is the object. I was just beginning to touch JavaScript object-oriented programming time, very messy, I was accustomed to the PHP surface object thinking applied to JS above,

JavaScript has no classes, but there are objects. Here are three ways that JavaScript is called when it is object-oriented.The first type:function Student (name) { this. Name = name; This function () { alert (' Hello, ' +this. name+ '! ') );

Screen ObjectThe screen object is used to get the user's onscreen information.Grammar:Window.screen. PropertiesObject properties:Height and width of screen resolutionThe Window.screen object contains information about the user's screen.1.

As you may know, the execution environment of the JavaScript language is " single Thread".The so-called "single thread" means that only one task can be completed at a time. If you have multiple tasks, you must queue, complete the previous task,

SOURCE http://blog.csdn.net/dead_of_winter/article/details/1646367Although the ECMA standard specifies a method such as AddEventListener to implement the event multi-throw mechanism, but IE NS and other browsers but the way, the use of the language

Using a picture preload allows you to display the page when the necessary pictures are loaded, without having to wait for all of the pictures to load and then display the page, enhancing the user experience when the page is opened.Preloader.js;(

Untitled Document qq:1327880701, learn progress together, make friends. Copyright Notice: Bo Master original articles, reproduced please indicate the source. Http://blog.csdn.net/dzy21 JavaScript Object-oriented basic usage

JavaScript Text vertical Scrolling code:The vertical scrolling code is mostly used for Web site news bulletins or links as well as image display and other functional structure, the following is a vertical scrolling up and down the News class

A few days ago the community's group Sen breaks a link like this:http://ourjs.com/detail/52fb82e13bd19c4814000001After doing it all of a sudden feel confused about life, the spirit can not only I am a person sad principle, as long as the

　　Javascript Offset Summary

WebGL is a 3D drafting standard that allows the combination of JavaScript and OpenGL ES 2.0, and by adding a JavaScript binding to OpenGL ES 2.0, WebGL can be a HTML5 Canvas provides hardware 3D accelerated rendering so that Web developers can

Js custom plug-in-Tab This function is relatively simple. Consolidate the jquery plug-in writing. Note that the introduced jquery. js and custom plug-in path Code are as follows: Page:   Option 1 Option 2 Option 3   Option 1 Option 2

Promise of Bluebird-NodeJsPromise is a way for asynchronous code to implement control flow. This method can make your code clean, readable, and robust. For example, the callback code you use to asynchronously process file