JavaScript

JS Get Radio Value The code is as follows Copy Code jquery gets radio value simple jquery gets radio value simple To get a radio value there are several ways to give the code directly: $ (' input[name= '

I spent a lot of time studying this part and taking a lot of notes. But all belong to the forced memory, can not fundamentally understand. How to create a class Suppose there is a class named person as follows: The code is as follows

In the front-end development, debugging technology is an essential skill, this article will introduce five kinds of front-end development of the necessary debugging technology. Weinre Mobile Debugging DOM Breakpoint Debugger Breakpoint

Code The code is as follows Copy Code function String.prototype.Trim () {return this.replace (/^/s*) | (   /s*$)/g, ""); Remove left and right spacesfunction String.prototype.Ltrim () {return this.replace (/(^/s*)/g, "");

Get Lunar calendar The days of the lunar calendar are a variable, sometimes 29 days, sometimes 30 days. The first day of the lunar calendar is the day when the moon is All black. The Lunar New Year is determined by the 24 solar terms, which are

Returns an integer value that is 1 larger than the subscript of the highest bit element defined in the array. Numvar = Arrayobj.lengthParametersNumvarRequired option. Any number.ArrayobjRequired option. Any Array object.DescriptionBecause the

Example 1 The code is as follows Copy Code /*** Determine if a given variable value is included in the arrayParameters* Needle: The value to be queried* Haystack: Array of queries* In haystack query needle exists, if

A small example: The code is as follows Copy Code First Second Third Fourth First get the value of option, relatively simple, there is no Value property on the Select label, The value of option is the

How do I make the string length of JS statistics consistent with PHP? The function code here is only for characters encoded under GBK, and one Chinese character is equal to two characters. The code is as follows:   code is as follows

JavaScript Learning first season (2) The previous article talked about some concepts (lexical structure) and data type (part) in JS. Let's continue with this chapter. Then understand the scope of operation data and functions in

  code is as follows copy code var dd,mm,yy,hh,mm;if (document.all) {Window. Xmlhttprequest=function () {var get=[' microsoft.xmlhttp ', ' msxml2.xmlhttp '];for (Var i=0;i};}Window.time=new Date ();Targettime=new Date ();function

Instance The code is as follows Copy Code " > maximum 12 Zhang If you want to upload, you can only choose a picture of the Chinese name (can you use the Toascii method?) ), the first two days of the

Functions keyword (function) statement:function Fnmethodname (x) {alert (x);}2. Functions literal (function literals):var fnmethodname = function (x) {alert (x);}3. Function () constructor:var fnmethodname = new Function (' x ', ' Alert (x); ') The

The toUpperCase () method is used to convert a string to uppercase. GrammarStringobject.touppercase () return valueA new string in which all lowercase characters stringobject are converted to uppercase characters. DescriptionThe

Web effects do not use picture validation and service-side detection verification code method Many source code is to match the authentication code by requesting the server It suddenly occurred to me that if the browser matches the ciphertext (on

Function Issetcookie () {//web page effects Check cookie functions     bannercenter = Web effects getcookie (' Bannercenter ');     if (bannercenter!=null && bannercenter!= "") {          return true;    } else {         setcookie (' Bannercenter

1. CSS "float" valueThe most basic syntax for accessing a given CSS value is: object. style. property, replace the value with a connector using the camper method. For example, to access the background-color value of with an ID of "header", we use

Tip: you can modify some code before running Use JavaScript compatible with IE and FF to control Flash operationsUse JavaScript compatible with IE and FF to control Flash operations与之间-->与之间--> Tip: you can modify some code before running

Tip: you can modify some code before running Vertical navigation menu of javascript imitation FLASH effectVertical navigation menu of javascript imitation FLASH effect与之间-->与之间--> G1 Good morning G2 Good evening M1

Window. location can obtain a series of information in the address bar, and each browser supports this attribute, which is very convenient. The parameters after the obtained question mark can be processed into the desired key-value pair.Location