JavaScript

In JSON format, objects, arrays, values, strings, and numbers can be used ).Copy codeThe Code is as follows: Reference: http://www.json.org/json-zh.htmlLet's take a look at the JavaScript eval function.The eval function evaluates a given string of

Enter Chinese text in the text box below and press convert to convert it to a UTF-8 character.Then press "Restore" to restore it to simplified Chinese. GB2312-UTF8 tool UTF-8 Conversion Tool enter Chinese text in the text box below, press

The operations on events are nothing more than addEvent, fireEvent, and removeEvent. Generally, lib extends the functions provided by the browser to solve problems such as compatibility Memory leakage. The third problem is how to get the domReady

In addition to normal usage, slice is often used to convert an array-like object to a true array.Glossary: array-like object-objects with the length attribute, such as {0: 'foo', length: 1}, or even {length: 'bar '}. the most common array-like

The code comment has been as detailed as possible, and I will not talk about it much.No major bugs have been found in preliminary tests. In general, we are not satisfied with the fact that when you move the mouse to trigger bubbles, the problem that

jquery pop-up announcement [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

The main body of jQuery is as follows:(Function (){......}) ();It is strange for people with poor Javascript basics. In fact, this expression declares an anonymous function (the first parenthesis) and then executes it (the second parenthesis ). This

An aspx page can usually contain other ascx controls. $ () is used in ascx (). ready (function {}), while programmer John is in control B. the ready function is also used in ascx. When Programmers Make A page. ascx, B. ascx is dragged to its own

In a standard browser, it seems that as long as the object has the length attribute, it can be converted to an array, but IE is not. [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]Next, let's

First, define the progress bar display layer:Copy codeThe Code is as follows: download progress: Define the ad layer:Copy codeThe Code is as follows: Define the FLASH display layer:Js Code:Copy codeThe Code is as follows:If (window. navigator.

Simplified codeThe following is a simple example to illustrate the impact of jQuery on code. To execute some really simple and common tasks, for example, attaching a click event to each link in a certain area of the page, you can use pure JavaScript

Window. opener usage In a textbox with the id "name" on window. opener worker, you can write it:Optional values opener.doc ument. getElementById ("name"). value = "input data ";I have no good understanding of window. opener in javascript.Why is it

The following is an article from abroad.Http://www.jb51.net/article/20553.htmCopy codeThe Code is as follows:Var sel = new Object ();Var sel_num = 0;Function getCookieVal (offset ){Var endstr = document. cookie. indexOf (";", offset );If (endstr =-1)

Serial number Operation Category IE(6.0) FireFox(2.0) Mozilla(1.5) CurrentBrowser Remarks 1 "." Inherent attribute of access tag OK OK OK OK 　 2 "." User-Defined attributes of access

1. The automation server cannot create objects.Run: regsvr32 scrrun. dll.2. The object reference is not set to the instance of the object.1. The ViewState object is Unll.2. DateSet is empty.3. DataReader is empty due to SQL statements or Datebase.4.

The first is the most common method: test [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]One day, when we know that JavaScript is to be separated from the HTML structure, we will change the

Users do not like the scroll bar, so we made a tab switch, users do not like to refresh the page, so we have to use ajax. In the past few years, almost every web-side developer, i'm proud to know a little about ajax, but I know that ajax is far from

Illustration: the Html5 browser is supported for better viewing experienceIn IE9 or earlier versions, the filter is used to simulate a shadow. if the content is deleted, the operation in IE will be smoother (at least my old man will be smoother

Copy codeThe Code is as follows:/* content1 2009-10-11 title2 content2 2009-11-11 *//*Using DOM to copy (clone) the data of a specified node name to a New XML file, three knowledge points are used: DOMDocument-DOMNodeList-DOMNode1. DOMNodeList

Here, objects that meet the following conditions are called pseudo arrays.1, with the length attribute2. Data Storage by index3. methods such as push and pop with no ArrayFor example1. arguments in the function.2. Use document. forms, Form. elements,