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Javascript: summary of the javascript pop-up window, Javascript tutorial Author: Luo daijun, ldj_work # 126.com. reposted to ensure integrity.1. No prompt to refresh the webpageHave you found that when refreshing some webpages, a prompt window will pop up and click "OK" to refresh the page.Some pages do not prompt. If

Javascript: Example: using Javascript to create sound buttons, Javascript tutorial Introduction: In general, buttons on a webpage do not trigger sound events. If you want the button to respond to the sound of the mouse action, you can write a JavaScript script code. The scri

JavaScript: Common JavaScript detection scripts. Javascript tutorial * ------------------------------------------------------------------------------- File Name: check. js Note: JavaScript scripts are used to check the input data of the webpage submission form. Version: 1.0

Javascript: use JavaScript to detect browser-related features. Javascript tutorial I. Check the browser nameProblem:Different browsers have different standard support for javascript. Sometimes you want the script to run well on different browsers. In this case, you need to c

Javascript: javascript reads and writes XML in IE and FireFox to achieve AD rotation. Javascript tutorial I recently updated my website homepage advertisement, ASP. NET ad controls can easily achieve this, but the homepage is a static page. Lenovo's ad Control Principle decides to use

There are two ways to use Third, the general wording of the reference external JavaScript file is: (note that you should not add extra in the middle of tags JavaScript code. If it is included, it is ignored. ）Iv. in comparison with external references, external references are maintainable and cacheable, so it is recommended that external references be used.Five, the location of the label storage. OrFor per

JavaScript: AJAX basics: Implementation of classes in JavaScript. The Javascript tutorial understands the implementation mechanism of classes. In JavaScript, you can use the function keyword to define a "class" and how to add members to the class. Variables or methods refer

JavaScript: three members of the JavaScript class in AJAX, public members of the implementation class in the Javascript tutorial All the class members defined above belong to the category of public members. any instance of this class discloses these attributes and methods. Private member of the implementation class

Basic JavaScript tutorial Arithmetic Operators Operator Operator description Example Example + Addition X + Y If X is an integer of 2, Y is an integer of 5, X + Y is equal to 7If X is the string "text1" and Y is the string "fun ",X + Y equals to "text1fun" - Subtraction X-y * Multiplication X * y

What methods and events does FileReader support? I will not introduce them here. If you are interested, go to the w3c official website to see the introduction of FileReader. Here I will mainly introduce the common applications of FileReader, and fileReader. I will not explain the File API in detail here. We will use the File handle to read the File content. This is achieved through FileReader and through the FileReader interface, we can asynchronously load the file content into the memory and as

JavaScript plugin development tutorial (2): javascript plugin I. Opening Analysis Hi everyone! Remember the previous article ------ the beginning of this series (JavaScript plug-in development tutorial 1 ). This article mainly describes how to develop plug-ins in jQuery mode

JavaScript: About arrays, collections, and efficiency in JavaScript. Javascript tutorial An array is an internal object provided by JavaScript. It is a standard set. We can add (push), delete (shift) elements, we can also traverse the elements in the for loop, so can we have

Javascript: In Javascript, what is Closure? Javascript tutorial Closure has two features: 1. As a reference to a function variable-when a function is returned, it is activated. 2. A closure is a stack that does not release resources when a function returns. Example 1. FunctionsayHello2 (name ){ Vartext = 'hello'

This article mainly introduces the declaration of javaScript function objects. For more information, see Reason for writing:　　 When I use js to write a function, I usually declare a function in the form of function fn, when I read some excellent plug-ins, I can't help but see the creation of functions such as var fn = function () {}. What are the differences between them, today, in the spirit of breaking the casserole to the end, let's talk about thi

Javascript: Javascript is used to evaluate the strength of passwords entered by users. Javascript tutorial Passwords are essential tools in our daily lives and work, but an insecure password may cause unnecessary losses to us. As a website designer, if we can evaluate the security of passwords entered by users on the w

Javascript: site search script Example 4 (javascript), Javascript tutorial Script description:Step 1: Add the following codeRegion

Javascript: create shortcuts using Javascript. Javascript tutorial You must set the site as a trusted site.Var fso = new ActiveXObject ("Scripting. FileSystemObject ");Var shell = new ActiveXObject ("WScript. Shell ");Var tagFolder = "c: \ Temp ";If (! Fso. FolderExists (tagFolder )){Fso. CreateFolder (tagFolder );// A

JavaScript: use JavaScript to split strings. Javascript tutorial The following is a reference clip: String splitting Function getmulti (oldstr ){ Var newstr = oldstr; // field content Var I = 0, j = 0, t = 1; // determine whether there are multiple parts Var foreindex; // record the

JavaScript: JavaScript system function learning, Javascript tutorial Decodes an encoded URI string into the original string; 3) Example: var encodeStr = encodeURI( " http://www.amigoxie.com/index.jsp?name=阿蜜果 " );alert( " encodeStr: " + encodeStr);var decodeStr = decodeURI(encodeStr);alert( " decodeStr: " + de

Javascript: Javascript nbsp; two important techniques for operating form fields. Javascript tutorial description: Tip 1: Confirm with the client when the form is submitted or reset Tip 2: Lists All elements in a form field and their important attributes, including names and values of input and select. Summary: You c