JavaScript

Arrays in javascript do not have the indexOf method. extjs adds this method to the data. The Code is as follows: Ext. applyIf (Array. prototype ,{/*** Checks whether or not the specified object exists in the array.* @ Param {Object} o The object

I recently studied MenuButton and got a new feeling. I used to right-click the support method in that DEMO. Now it seems that I am a little pediatrics. I am doing some preparation in the early stage: 1. Download the DEMO source code and upgrade it

Some examples of code used to learn and practice in Jvascript can be used by friends who need to refer to the function of the next custom loop traversal element text content. This function makes sure that it works well in HTML and xml dom documents.

Unlike DOM Event objects, IE event objects can be accessed in different ways based on EventHandler authorization. When an event Handler is authorized at the DOM0 level, the event object will exist as a property of the window object. See the

In the past, when JavaScript was always used, I wrote several functions on the page. Basically, I didn't consider function encapsulation and reuse. Recently, a project may have high requirements for this, so I studied how to encapsulate one of the

Javascript learning note node operation implementation code, including creating, adding, removing, replacing, and copying nodes. The Code is as follows: Project 1 Project 2 Project 3 1. Create an element node The document.

Introduction to regular expressions in javascript learning notes. For more information, see 1. modifier. . Any character * Match * The first 0 or multiple characters + Match + the first or more characters ? Matching? First 0 or 1 Character ^

The user inputs and calculates the remaining number of words that can be entered. When the number of words exceeds the specified number of words, click OK. The input box will pop up. 1. function: 1. the user inputs and computes at the same time to

I encountered a problem today. This problem is also a problem I encountered before. The previous method is also used by most people. You can refer to my previous article-I guess most people use it. For example, the following code is taken from a

JQuery operates the implementation code of inputtypecheckbox. If you need it, you can refer to it. Here, I suggest you read our previous articles. The Code is as follows: :The international team that qualify for the 2012 European Cup "death group"

The javascript countdown function implements the Code. For more information, see the following code: The Code is as follows: /*** Countdown** @ Author WadeYu* @ Date* @ Copyright boyaa.com*/Var TimeCountDown = function (initTime ){Var day = 0;Var

Slide effects are very popular in websites. Using slide effects can not only show more content in a limited space, but also enhance the visual taste, the numerous slide plug-in resources on the Internet also make the implementation of slides very

The patterns I have compiled in this article include some common methods or tips when writing JavaScript code. They can help beginners in JavaScript to quickly improve the code quality. No matter how programs are written, they will be exposed to the

Seamless scroll plug-in based on jQuery pictures left and right, need friends can refer to the Online Demo: http://demo.jb51.net/js/2012/myslideLeftRight/ Package download: http://www.jb51.net/jiaoben/44973.html Core code: The Code is as follows:

The recently discovered Web project in IE6 has the problem that background images are not cached. I searched the internet and found that it is already a well-known BUG. Here I will summarize various solutions. solution 1: IE6 Hack script The Code

After a long period of time, I finally made up my mind to write a layer of drag. Of course, other ways of thinking and practice are also the same, or, such a drag is suitable for all visible elements first look at the layer to be dragged (simulate

Javascript keyboard events can be combined to implement Code. For more information, see The Code is as follows: Txt1.onkeydown = function (ev ){Var oevent = ev | event;If (oevent. ctrlKey & oevent. keyCode = 13 ){......}} Txt1: the object

The following code converts an Object to a String function. For more information, see The Code is as follows: Function obj2str (o ){Var r = [];If (typeof o = "string") return "\" "+ o. replace (/([\ '\ "\])/g," \ $1 "). replace (/(\ n)/g, "\ n

Many of the Extended features of Javascript are that it is becoming more sharp, and it also gives programmers the opportunity to create more beautiful and more user-friendly websites. Although many developers are happy to celebrate javascript, but

From this beginning, I will talk about some practical effects. Of course, the first thing that bears the brunt is our lovely TAB. It is convenient to write tabs with JQ and there are many methods. In fact, there are many ways to write tabs using