JavaScript

The Internet era has created a new way of work and life. Its interconnectivity, openness, and information sharing model breaks the barriers of traditional information dissemination methods, it brings us new opportunities. With the advent of the

Generally, the method to obtain the value of the DWR method on the page is Function Test (){ Dwrtest. Hello (function (data) {alert (data )}) } It is difficult to return this value for your JavaScript test method. The DWR method returns the

As part of the Javascript documentation family, it has the following advantages: 1. Easy to operate. There are only a few graphical document tools. 2. Analysis intelligence. You can help users complete comments based on the context so that users

Javascript --- Class Construction Keywords:Javascript--- Class Construction Javascript There are four main ways to build a class in 1. constructor definition class 2. Prototype definition class 3. Create a class by combining constructor and

Usage: strobj. indexof (STR, startindex [Optional])ProgramCode Strobj is required. String object or text.STR is required. The substring to be searched in the string object.Startindex is optional. This integer indicates the position where the string

Parameter arguments When a function is called, an argments array parameter is obtained. Through its function, you can access the list of all parameters that are passed to it when it is called, including unnecessary parameters that are not defined

Global variables are the devil. Because, you are not careful, modifying the global variable in a certain part of the code will lead to errors in other modules dependent on the global variable. The cause of the error is difficult to debug and

1. What is prototype?The prototype attribute of the object in Javascript, which can return the reference of the Object Type prototype. This is a pretty straightforward explanation. To understand it, you must first correctly understand the concepts

In JavaScript,Singleton)An object with only one instance does not need to be created with the new keyword. A singleton is actually a bit similar to a static class in C #/C ++. In JavaScript, a singleton object is created in the JSON format of a

Getelementbyid getelementsbyname getelementsbytagname Getelementbyid, getelementsbyname, getelementsbytagname The last two are the collection, and the byid is only a single object. 　　Getelementbyid usage For example:　　 Web taoba Reference Method

Code highlighting is useful, especially when you need to display your own code on a website or blog, or when you want to view or debug syntax errors for others. We can highlight the code so that readers can easily read the code block and improve the

String. Prototype. Trim = function (){Return this. Replace (/(^ \ s *) | (\ s * $)/g ,"");} String. Prototype. isint = function (){If (! This) return false;VaR STRP =/^ \ D + (\. \ D + )? $ /;If (! STRP. Test (this) return false;Try {If (parseint

Document directory Updated on 2010.1.29 JavaScript programming ideas, thisProgramming IdeologyA great word is really tangled in my heart. The javascript namespace information is searched on the Internet. I just want to make a summary. Common

Strictly speaking, it is hard to say that it is an Internet Explorer error. However, based on experience, you may often make a hard job on Internet Explorer. For example, you may upgrade Internet Explorer 6 to Internet Explorer 7/Internet Explorer 8,

During webpage capturing, many webpage content is pre-stored in Javascript variables. If only substring is used for screenshot analysis, the efficiency is slow and the error rate is high. How can we better solve this problem? Use

Javascript advanced programming: 2nd (China-pub) Basic Information Original Title: Professional JavaScript For Web developersOriginal Publishing House: wroxAuthor: (US) Nicolas C. zakasTranslator: Li songfeng Cao LiSeries name: Turing programming

Compiling maintainable JavascriptBasic InformationAuthor: (US) Nicolas C. zakas [Translator's introduction]Translator: Li Jing Guo Kai Zhang SanjiPress: People's post and telecommunications PressISBN: 9787115310088Mounting time:Published on:

Document. stylesheets can obtain a set of style sheets, because the browsers are very different, and the rules for accessing style sheets are also different. dom specifies a cssrules set for each style sheet. Mozilla and Safari correctly implement

// Learn how to use js to operate cookies // Write cookie// Case insensitive for cookiename// Do not consider the subkeyFunction writecookies (cookiename, cookievalue, expires){If (expires){// Expires is specified.Document. Cookie

In the following example, Internet Explorer is replaced by IE, and mozzila Firefox is replaced by MF/ff. (1) window. Event IE: window. event object FF: There is no window. event object. You can pass the event object to the function parameters. For