JavaScript

I recently read the JavaScript authoritative guide (version 6) and have such a piece of code in Chapter 6 P122: Copy codeThe Code is as follows:// Return a new object that inherits the attributes of the prototype object proto.// The ES5 Object.

Animate (params, options) Return Value: jQueryOverview A function used to create a custom animation.The key to this function is to specify the animation form and result style attribute object. Each attribute in this object represents a changeable

Copy codeThe Code is as follows:/*** Set the page to read-only*/Var setReadOnly = function (){Var input = $ ("input ");Input. each (function (I){$ (This). attr ("onfocus", "this. blur (); return false ;");$ (This). wrap (function (){Return ' ';});});

Copy codeThe Code is as follows:// JScript FileVar inputID, inputName;Function ExpandSubCategory (iCategoryID, FahterID ){ Var li_father = document. getElementById ("li _" + iCategoryID );If (li_father.getElementsByTagName ("li"). length> 0) // if a

I. Summary of source code ideas Summary:The core idea of jQuery can be simply summarized as "querying and operating dom". Today we mainly analyze the jQuery. prototype. init selector constructor to process parameters in the selector function;The

SetTimeout is often used in Javascript to delay the execution of a function, for example:Copy codeThe Code is as follows:SetTimeout (function () {alert ("Hello World") ;},1000 ); The alert window will pop up one second after this sentence is

Copy codeThe Code is as follows: This js file can be stored in the jsp file you need to implement search results, or saved as a js file separately.Copy codeThe Code is as follows:Onkeydown = "oldKeyValue = this. value. trim (); setSelectedKey

You have not read the wrong title. This article is indeed About Baidu ajax, but it was a long time ago.Because the jQuery ajax module has more than 800 lines, and the core function jQuery. ajax has more than 380 lines, directly analyzing this code

The first time I wrote the jQuery plug-in. I don't feel like writing anything. JQuery. fn is used to write jQuery plug-ins. For exampleCopy codeThe Code is as follows:JQuery. fn. pluginName = function (){}; This is the paging plug-in I wrote. The

Today, we found a useful function urlArgs in the rhino book (extract parameters in the URL search string ). We often see some page link address followed by parameters, such as http://www.xxx.com /? Username = yyy & password = zzz and so on. Many

Web printing methods are as follows:1. JQuery plug-in Jqprint implementation2. JQery printing plug-in PrintArea for web page Printing3. CSS controls the webpage printing StyleJQuery plug-in Jqprint implementation:First, import the js file:Download

In HTML 5, localstorage is a good thing. In browsers that support localstorage, You can persistently input user forms. Even if you disable the browser, you can access the browser again next time, the value can also be read. The following example

Preface In the previous article, we defined matrices. In this article, we will add some common methods to matrices.ToString Method The toString method is usually used to convert an object into a string description, so we define this method as an

Before a file is uploaded, the file type is determined by the file name. However, it is difficult to check the file size unless it is local or a control is used. Javascript can be used to easily solve word problems. JS can be used to determine the

The relationship between Javascript function scopes, calling objects, and closures is very subtle. There are many articles about them, but I don't know why many new users are hard to understand. I will try to express my understanding in a more

The data cache system was first introduced by jQuery1.2, when its event system was copied to the addEvent of DE. js, and addEvent has a defect in implementation. It puts the Event Callback above EventTarget, which will lead to circular reference. If

First, create the jquery. gallery. js plug-in file to build the program skeleton.Copy codeThe Code is as follows:(Function ($ ){$. Fn. gallery = function (){Return this. each (function (){Var self = $ (this );Self. click (function (){});});}})

This article is divided into two parts: basic patterns (upper part): full exposure, underline marking, and closure. Advanced Patterns (lower part ), there are other knowledge points about how to implement static methods and attributes and

The first important content in this book is interfaces.Everyone should be familiar with Interfaces. Simply put, interfaces are a contract or specification. Interfaces can be easily implemented in a strong facial object language. However, there is no

This section uses the following html as an example.Copy codeThe Code is as follows: Baidu 1. Obtain and set the element features through the attributes of the HTMLElement type (object)Copy codeThe Code is as follows:Var div = document.