JavaScript City Select Linkage Menu code

The following JS City Select Linkage Menu code is I get down from other sites, very easy to use, all cities are used, you just put the JS part of the save, and then fix Select to modify as follows this select the same name can be used.

Clear Cookie Program code in JavaScript

There are two ways to clear the cookie:• Clear cookies with browser tools (with Third-party tools and browsers themselves)• Clear cookies by setting the expiration date of a cookie• Note: Deleting cookies can sometimes cause some pages to not

JavaScript-Common Regular expression code

Web page Special effects common regular expression code Html Mobile Landline Email Js function IsMobile () {var mobile = document.getElementById ("Mobile_phone");var num = Mobile.value;var reg =/^ (13[0-9]|186|188|150|151|158|159|147) d{

JavaScript textarea automatic elevation and input automatic growth

Input height fixed, automatic growth TextArea width fixed, automatic height HTML code JS code

Common JavaScript Registration validation regular in web page development

is a number, letter, or underline * *function Isnlu (UI) {var valid=/^w+$/;Return (Valid.test (UI))}/* Delete String hollow lattice * *User_pwd.replace (/s+/g, "");/*is the mailbox address*/if ((User_mail.indexof ("@") /*Is Chinese*/function

JavaScript floating AD code in the lower right corner

Document.writeln (" "); Document.writeln (" "); Document.writeln (""); var bodyfrm = (document.compatmode.tolowercase () = = "CSS tutorial 1compat")? Document.documentelement:document.body; var adst = document.getElementById ("Qqaddiv"). Style;

JavaScript checkbox Select or Not method of multiple selection box

Web page effect checkbox selection or not method of multiple selection box 12345 Test Code Two 1 2 3 4 5

JavaScript Search character searching function

In the JavaScript search character searching [search] function There is also a indexof function that can determine whether the specified character exists. If it is known that something is or is not in a string it can be very important. If you

JavaScript settimeout Tutorial

The SetTimeout method is used to call a function or evaluate an expression after a specified number of milliseconds. How to use: SetTimeout (CODE,MILLISEC) All two parameters are required. Necessary. The JavaScript code string to execute after

JavaScript implementation table row Add Delete Modify

Web Effects Implementation table row Increase Delete Modify Click the Add button to add an empty record that can be modified.Click the table cell to modify the text.The saved interface is implemented after modification.If you add a new record

JavaScript browser and operating system type

Web effects browser and operating system type var browserdetect={Init:function () {This.browser=this.searchstring (this.databrowser) | | " An unknown browser ";This.version=this.searchversion (navigator.useragent) | | This.searchversion

JavaScript limits can only enter numbers and decimals

Web page effects limit you can only enter numbers and decimalsYou can only enter a number, and the range is between 0.0~999.9, a decimal can be entered only one digit, the integer up to 3 digits, allowing no decimal.Requirements: An input box, you

JavaScript search finds current page string

Special Effects Search Find the current page string 3155 3152 nuron

JavaScript document and Window object detailed description (1/3)

One, Window object-------------------------------------------------- -------------------Object Propertieswindow//window itselfWindow.self//reference to the window window=window.selfWindow.name//name for WindowsWindow.defaultstatus//Set window status

JavaScript infinite Tree Menu effect code (1/3)

Tree.js Code ********************************List of tree organization framesv1.0January 6, 2011Author: Flycrosscloud********************************/Initializing the frameworkvar allimages = {Hasnodeclose: "",//contains child nodes, closed

JavaScript Object Detailed Application instance

Web page Special Effects object Detailed application Example 1. When an attempt is to retrieve the value of a member element that does not exist for an object, a undefined value is returned. You can go through the "| |" operator to populate the

JavaScript Arrays Common operations functions

Web page Effects array common operation function 1. The value of the length property of the array is the maximum integer property name of the array plus 1. It does not necessarily equal the number of attributes in the array: 1 var myarray = [

Extensions--About dynamic prototypes (JavaScript Advanced Programming) (1/3)

The reason why the inheritance mechanism cannot be dynamic is: The uniqueness of the prototype object. Instance code:Copy code code as follows: function A (i) { THIS.A = i; if (typeof a._init = = ' undefined ') { A.prototype.func = function ()

About JavaScript control check box Select all, you must choose one, control the number of code

Html: Controlling the number of checkbox dddd Please select up to 7 items: Www.111cn.net Northern Snow China's largest developer network Fly Snow Lian Day Shot White Deer

Ultra-simplified javascript calendar component calendar Optimizer

Tip: you can modify some code before running Dhooo.com Tip: you can modify some code before running

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