Why JavaScript?

In the long history of mankind, it is difficult to find the second field, which is composed of simple logic and abstract symbols. It has such a huge amount of information and rich content. In a sense, when you open this book, you have entered an

Notes for calculating floating point numbers in Javascript

When processing the operation content in Javascript, if it is not an integer, some minor problems may occur, such as the following formula: var result = 10031019.05 + 500-10000000.15; Result = 31518.900000000372, the main reason is that JavaScript

Compiled JavaScript code

CompileProgramThe key is that the program is written to people, not to computers. If you can understand that others may read your JavaScript, you will write more clearly.Code. The clearer the code, the more difficult it is to make mistakes. Clever

Common JavaScript (I)

Window. Open ('','', 'fullscreen = 1 ')Window. Open ('','', 'channelmode = 1 ')Flash pop-up windowJavascript: window. Open ('HTTP: // response); void (0)Flash dynamically imports external textLoadvariables ("text.txt", "_ root. mcname ");Is it

Javascript variable declaration and initialization

We know that JS variables should be defined by VAR, for example: VaRA; This definition only defines the variable name, but does not give the initial value. However, JS automatically assigns the undefined initial value during compilation. If you

Several JavaScript scripts used to open the browser window

Function Opencentered (URL, windowname, width, height, featurestring){ If ( ! Windowname) windowname = ''; If ( ! Featurestring)Featurestring = ''; Else Featurestring = ',' + Featurestring; VaR X = Math.

JavaScript "Object-Oriented Programming"-2 about object

Javascript is object-based Programming Language . From window to document, from method to class, from object to array are all objects. Let's take a look at the JSON (JavaScript Object Notation) object. JSON is a type of data exchange format

Use the Unicode range of Chinese characters to verify whether the JavaScript function is a Chinese character

Function Checkchinese (STR ){ VaR RE1 =   New Regexp ( " ^ [\ U4e00-\ ufa29] * $ " ) // Range of Chinese Characters VaR Re2 =   New Regexp ( " ^ [\ Ue7c7-\ ue7f3] * $ " ) VaR Str = Str.

[Share] JavaScript refresh Verification Code

The purpose of refreshing the verification code using JavaScript is to re-obtain the verification code without refreshing the page. JSCode: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->

[JavaScript] solves the problem of opening the iscroll hyperlink

When iscroll is used on mobile, touch event binding is enabled by default, because touch events are very sensitive. If you touch the connection with your finger, the browser will open the connection by default if you slide the link. In this way,

[JavaScript] quick exchange of JavaScript variable values

If you want to swap the values of two variables, you do not want to use the intermediate quantity. I used the method to process the arguments attribute of the function. Function Exchange (a, B) {var ARGs = arguments; ARGs = []. slice. call (ARGs ).

[JavaScript] avoiding tragedy Password generator

There have been many brute-force databases recently, and password security has become a major issue! How can we avoid simple passwords? Still thinking about passwords? No I have prepared a password generation tool consisting of 0-9 and a-k English

[JavaScript] It is a simple and easy-to-use calendar control. Pure JavaScript supports the chain syntax and the core code is only five lines.

We have made another wheel. repeating the wheel requires advantages or no value. Easy to use and convenient. Only 5 rowsCodeYou can generate a token. The input date is already supported by the native controls opera and chrome. The logic of the

New Javascript Regular Expression

I haven't read the regular expression for a long time. I happen to use it today. I just learned how to read a book. I used to send regular expressions for beginners without worry. Now I have added the Group to provide download improvements. I.

How to Write cookies in JavaScript and read the cookies in. Net (or vice versa)

Recently, I learned about. NET and. Net Ajax and found that AJAX cannot save the view status after the button is submitted. I thought about it and can use URL, cookies, or hidden textbox to pass it.The URL and textbox methods are relatively simple

Javascript debugging tool: Blackbird! Say "hello" to blackbird and "goodbye" to alert ().

When debugging JS, you need to use a large number of alert statements, which is not only inefficient, but also unpleasant when you play the confirmation window. Search online todayArticleWhen I checked it, I found a cool javascript: Blackbird. I

How to call the Server Control Value in Javascript after using the content page of the master page

  Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->   ASP: Content ID = " Content1 " Contentplaceholderid = " Contentplaceholder1 " Runat = " Server " >

Use JavaScript to implement the agent (web page genie) (1)

I have always thought that agent is a good choice for website navigation and help. Unfortunately, Ms agent only supports IE, and it seems that the loading speed is not very fast. After analysis, I think javascript can definitely be used, I used to

[Reprint] detailed explanation of JavaScript inheritance

Object-oriented and Object-based Almost every developer has development experience in object-oriented languages (such as C ++, C #, and Java. In traditional object-oriented languages, there are two very important concepts: classes and instances.

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