JavaScript

The article from NETTUTS has a very good effect, which is a bit similar to the Flash effect. Here, I will not mention the implementation steps in the original article, the implementation logic is relatively simple, that is, the slideDown ()

In extjs, the problem of formatting the date type should be difficult for many people. Looking at the various methods on the Internet, we can extract the date Field in the database as a string for processing. It is formatted with format, it can be

If not, you can look at the following simple example.Copy codeThe Code is as follows: after a window is displayed, the following layers cannot be operated click Close click to try  

In the previous example, we reference jquery. validate. js in a unified manner. In This way, all the required fields will be prompted with This field is required. Now you need to change to a dynamic prompt. For example, if the name is empty, the

Preface: I want to systematically summarize the javascript knowledge I have learned. I like this language and love it. In the future, I want to work on the frontend, and sort out my knowledge in advance. I have written some DOM knowledge before, and

Copy, but the code of the original page still needs to be modified. below is the available ModificationEvent is commonly used. clientX and event. clientY obtains the horizontal and vertical positions respectively, but it is not enough to use this

Background: The standard method of Array objects in JavaScript does not have the indexOf () method. You can use the following code to extend it.Copy codeThe Code is as follows:If (! Array. prototype. indexOf ){Array. prototype. indexOf = function

The shopping cart effect implemented by JavaScript can be applied in many places, such as friend selection, human resources module, salary calculation, and personnel selection. Let's take a look at a shopping cart:Code:GoodsCar. js: This js is

Script description:Add the following code to the area:Copy codeThe Code is as follows:

Copy codeThe Code is as follows:PageEncoding = "UTF-8" %>String path = request. getContextPath ();String basePath = request. getScheme () + "://"+ Request. getServerName () + ":" + request. getServerPort ()+ Path + "/";String groupId = request.

Array definition:Method 1.Copy codeThe Code is as follows:Var mycars = new Array ()Mycars [0] = "sharejs.com"Mycars [1] = "Volvo"Mycars [2] = "BMW" Method 2.Definition and initialization together:Copy codeThe Code is as follows: var mycars = new

The problem is probably like this.Copy codeThe Code is as follows:Name = 'out of you'Foo = function (){This. name = 'xxoo ';}Foo. prototype. say = function (){Console. log (this. name );}F = new foo ();F. say (); // This sentence will output

In javascript and jquery events, event bubbling and event capturing exist. The following describes the two problems and their solutions.Event bubbling is a process of bubbling from a subnode to an ancestor node;Event capturing is the opposite. It is

Today, someone suddenly asked me $ ("# MainContent_GridView1") in the group "). closest ("tr "). children ("td: eq (1 )"). the text () statement cannot find the value. I asked him whether to retrieve the text of the td of eq (1) under a tr or all.

Today, remote data loading and page rendering are required in the project, and ajax cross-origin requests are not realized until the development stage. I vaguely remember that Jquery has proposed a solution for ajax cross-origin requests, so I

Function: Prototype Each constructor has a prototype attribute (prototype, which is not translated in the following example and is used in the original document ). This attribute is very useful: declare a common variable or function for a specific

This diaosi recently asked me to rewrite all the code on the website. so... it was very painful. My team asked me not to use plug-ins on the Internet. oh ~~~ My god !! This is a requirement that allows tens of millions of horses to Pentium on the

  Objects are everywhere in js. The first step of object-oriented is encapsulation. Because JavaScript does not have the concept of classes, encapsulation is troublesome. The following describes the encapsulation of two Js types. 1. Use the agreed

How to Use the DIV pop-up window to dynamically display content: first, use CSS and HTML to hide the content in the pop-up window, and then use JavaScript (JQuery in this tutorial) to dynamically display them. This effect not only makes full use of

The ExtJS framework has not been learned and used. I only know that it is a popular front-end framework. It is similar to Easy UI, BUI, DWZ, and other frameworks, I think this is more helpful than they are.Today, my friend encountered a problem: how