JavaScript

** Process long strings, intercept and add ellipsis* Note: The halfwidth is 1 and the fullwidth is 2.** PStr: String* PLen: truncation Length** Return: the truncated string.*Copy codeThe Code is as follows:Function autoAddEllipsis (pStr, pLen ){Var _

1. It has objects and can contain data and data processing methods. Objects can contain other objects. He has no class (before javascript2.0 is actually implemented), but it has a constructor that can do what the class can do, including containers

Previously, jquery was used for the interface. Now, we use the prototype that comes with rails because of the many ajax effects. Because jquery is used more often, it is similar to changing a framework, but there are many differences in details... 1.

I will continue to post an article about the web Front-end custom control-ComboBox (drop-down box). In the past, I used the drop-down box control to worry about the ugly style. Now I want to share this control, hope that useful colleagues can add to

Copy codeThe Code is as follows:

In IE, A fireEvent method is provided, which, as its name implies, triggers an event. At the beginning, I thought it would be the same as using onclick () in normal times. I did not expect to find it when I was writing a javascript getting started

Page js CodeCopy codeThe Code is as follows:$. Ajax ({ Url :'...',Type: 'post ',DataType: 'xml ',Error: function (xml ){Alert ("Error loading XML document" + xml );},Success: function (xml ){$ (Xml). find ("X"). each (function (I ){Alert ($ (this).

Copy codeThe Code is as follows: automatic Date input control birthday: * Js execution sequence on the html page:1) the first execution in the head label2) execution in the body Tag3) when the onload event is added to the body tag, the

Copy codeThe Code is as follows:Document.all('iframe1'%.content%w.doc ument. getElementById ("deptName"). width;Parameters (registry.parent.iframe1.doc ument. body). find ('# deptname'). width ();Access is denied when IFRAME is called across domains.

The following code implements the control form submissionCopy codeThe Code is as follows:Function shangchuan (){Var filepath = document. getElementById ("file"). value;Alert (filepath );If (filepath = ""){Alert ("select the uploaded file!

Copy codeThe Code is as follows: JavaScript image amplification technology (magnifiers) for code sharing-www.jb51.net select test overwrite

You can watch it later!Copy the following blue code and save it as an html file.The Code supports IE6, 7, 8, firefox, and Chrome browsers.Copy codeThe Code is as follows: javascript controls the transparency attribute of the Div layer, which is

Sometimes we need to use cookies to save the user name and record the login status. How can we correctly determine whether the user cookie exists? You cannot simply use! =.Copy codeThe Code is as follows:A = getCookie ("username3 ");C_start =

You may have heard of JAVA ,. NET, PHP and other languages have garbage collection memory management mechanisms, but few will hear that JavaScript also has its own memory management mechanism. JavaScript also has similar garbage collection functions.

The. load method does not set the default value of the cache parameter to true. Especially in IE browsers, the general ajax methods are cache = true!Solution:1. Use the. ajax method and set the cache parameter to false.Copy codeThe Code is as

Copy codeThe Code is as follows:$ ("# RegDate"). datepicker ({ShowMonthAfterYear: true, // displayed after yearChangeMonth: true, // month can be selectedChangeYear: true, // select a yearDateFormat: 'yy-mm-dd', // you can specify the date

If you use str. replace ("-","! ") Will only Replace the first matched character.Str. replace (/\-/g ,"! "), You can replace all matched characters (g is the global flag ). Replace ()The replace () method returns the string that results when you

Copy codeThe Code is as follows:// Import the JQuery package// Write the JQuery event control page class management Student Management class id class name remarks A1331 Java excellent A1332 Java Web excellent NO. name gender class 100

PrefaceThe usage of this in JavaScript has been described in more detail in the network. You can refer to the reference materials and networks in this article. This article, combined with network collection, tries to elaborate on the usage of this

1. Formpanel has the same data source and grid, and uses Form. getForm (). loadRecord (row); then the data can be automatically loaded into the corresponding control in formpanel.2. The formpanel data source is independent. After the store is passed