JavaScript

Scope allocation and variable access rulesIn ECMAScript, functions are also objects. Function objects are created based on the Function declaration during variable instantiation, or when a Function expression is calculated or a Function constructor

1. What is JavaScript?1. JavaScript is a script language for interpreting execution.2. JavaScript is a programming language that can be used to add interactivity to webpages.3. JavaScript is not Java. Javascrui was developed by Netscape and Java was

Let's take a look at a picture:   Explanations: ECMAScript: defines all objects, attributes, and methods of the script language. Document Object Model (DOM): HTML and XML application interface Browser Object Model (BOM): Access the browser

DEMO code: save another webpage [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]The above code can only be used in the IE kernel browser, but you can refer to the following code for

EasyLoader can dynamically load scripts and CSS files, or dynamically load existing components of EasyUI.You need to reference the EasyLoader. js file. Note: you do not need to reference the jquery. easyui. min. js file here.For example, you can use

In fact, in most browsers (IE6, IE7, IE8, Opera 10 +, Safari 5 +), the "mousewheel" event is provided. But Firefox 3.5 + does not support this event, but fortunately Firefox 3.5 + provides another equivalent event: "DOMMouseScroll" (test case of

Copy codeThe Code is as follows:Function filterArray (str, array) {// This function filters repeated elements in the array and does not allow null values to be inserted. The function returns an array.Var isnull = false;If (str = "" | str = null |

See the figure below:The Code is as follows:Copy codeThe Code is as follows:/*Head html: Body html: */Var Tab = function (id, title, url, isClose ){This. id = id;This. title = title;This. url = url;This. head = jQuery ('' + this. title + ' ');This.

Single-choice button, double-click to unselect : B: C: D: [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

I have been cooperating with colleagues who do not develop according to standards in my development work, so it cannot be described as "Pleasant" to work with him. Now I am writing this article to share with you a little bit of experience, but more

The following code is used:Copy codeThe Code is as follows: jjb game rules: (1) You only have 30 seconds to move the pig around with the mouse. (2) the piglet received 10 points for the girl. (3) piglets receive girls, minus 10 points. score:

Go directly to the Code (a total of only 100 lines, small things)Copy codeThe Code is as follows:$ (Document). ready (function (){_ El ("biggerPic "). style. marginLeft = (0-(getOffsetNumber (_ el ("biggerPic "). style. width)-getOffsetNumber (_ el (

Here is a test code: Test results:KeydownKeypressKeyupThe sequence of events is: keydown --> keypress --> keyupWhen you hold down a key for a while and then release it, the result

For browsers that support DOM, The addEventListener () method is used to add events to objects!For MSIE, attachEvent () is used to add events to the object! This makes it necessary to use a container to load the event handling methods on these two

In fact, this problem is closely related to the browser version. As a rookie, I still have not found a perfect solution. No way, because the business must be implemented, so we have to do it in another way:By redirecting URLs, you can "close" the

After learning about the basics, you may use Ext + ajax to develop a simple small project. The project development process will be explained in 1.1 drops, hoping to bring you some benefits! Because I am also studying this framework, please give me

function GetClass (className) {return getElementsByClassName (className)} var $ c = function (array) {var nArray = []; for (var I = 0; I [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

Bug descriptionWhen the dom structure of the form radio/checkbox is operated as in the following example (or directly affects their structure), the selected checkbox/radio will be automatically restored to the default state, just Like clicking the

Front-endCopy codeThe Code is as follows: No title page click receive background data hello BackgroundCopy codeThe Code is as follows:Protected void Page_Load (object sender, EventArgs e){Response. Write ("hello" + Request ["name"]);Response. End

Example:Copy codeThe Code is as follows: