JavaScript

I. SummaryAfter getting the jQuery package set using the jQuery selector, We need to operate on it. this chapter describes how to dynamically create elements and how to manage jQuery packaging sets, such as adding, deleting, and slicing.Ii. PrefaceI

There are different opinions on the Internet, and the content of textarea has been tested. replace (/\ n/g, "") solves the problem and passes the test in IE6/7/8/9 Firefox/3.6.13 chrome10.0.648.82. The sample code is as follows:Copy codeThe Code is

Classes in javascript are represented by function functions, as follows:Copy codeThe Code is as follows:Function Student (){// Define the field in the Student class and grant the initial value. However, the access permission for this field is public.

Wrap (html)Enclose all matched elements with the structured tags of other elements.This packaging is most useful for inserting additional structured tags into a document and does not compromise the semantic quality of the original document.The

This article describes a cross-browser Library Class Zero Clipboard. It uses Flash for replication, so as long as the browser is installed with Flash, it can run, and more flexible than the document.exe cCommand ("Copy") of IE. Implementation

In fact, this Code has already been introduced in the previous article "using Javascript to achieve smooth jump between Anchor". However, this article is specially published on this site because this requirement is frequently used, easy to view.Copy

1. concat Method[Function] concatenates multiple arrays. This method does not change the existing array. It only returns a copy of the combined array.[Syntax] arrayObj. concat (array1, array2 ,...)[Instance] [Ctrl + A select all Note: If you need

Copy codeThe Code is as follows:// Date typeFunction myDate (time ){Var d = new Date (time );This. y = d. getFullYear ();This. m = d. getMonth ();This. d = d. getDate ();This. h = d. getHours ();This. m = d. getMinutes ();This. s = d. getSeconds ();}

Convert to Boolean typeAll values in JavaScript can be implicitly converted to the Boolean type, for example:Copy codeThe Code is as follows: 0 = false; // true 1 = true; // true ''= false // true null = false // true, but these values are not of

Copy codeThe Code is as follows:Input password: password strength: weak medium strong

Copy codeThe Code is as follows:If (isset ($ _ GET ['jsoncallback']) {Echo $ _ GET ['jsoncallback']. "([{id: 1, name: 'aaa1'}, {id: 2, name: 'bbbb2'}])";Exit;}?>

MathObject Math objects are built-in objects learned in high school mathematics. It knows all the formulas used to solve the most complex mathematical problem. If it is given a number, it can calculate the result. The Math object has several

Copy codeThe Code is as follows:/** // /// Generate a node with CDATA/// /// XmlDocument /// element name /// CDATA value /// XmlElement Public static XmlElement CreateXmlNodeCDATA (XmlDocument xDocument, string elementName, string

1. Use javascript to redefineWindow. onbeforeunload () eventDefine a function in javascript.Function window. onbeforeunload () {alert ("Close window ")}The alert () event will be executed before closing the window. You can also decide whether to

The most common method is to use window. open to directly open a full-screen webpage: [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]In addition, you can use either of the following methods to

Here we can use three workarounds to change the state of an element that is set to disabled to enabled.First, change the boolean status of disabled. The code and explanation are as follows:Copy codeThe Code is as follows:$ ("Button: eq (2)"). click (

1. Download The spket-1.6.12.zip file online. decompress the file and you will see the features and plugins folders in the eclipse directory. 2. copy and paste the files in the features and plugins folders to the D: \ myeclipse6.5 \ myeclipse \

Although I haven't used it for some trial tests, I can see from here that it has done some beautification work on js. Some people may think that the if statement is so simple and can be optimized to what extent? But if you look at the following

(Forget whether both mailboxes have this function ).How does this function work?Timing, we know how to get it, but what about saving it? Maybe we can store data by hiding domains and other means. However, this has a disadvantage: After the page is

Suppose we want to generate 10 million random numbers. The general practice is as follows:Copy codeThe Code is as follows:Var numbers = [];For (var I = 0; I Numbers. push (Math. random ());} However, when executing this code in IE, a window is