Idea and implementation of getting file extensions in javascript

For a file name with an absolute path, such as: D: \ Program Files \ Notepad ++ \ notepad1_cmd.exeFirst, to avoid escape backslash problems, you can use a regular expression to replace \ or \ with #, such:D: # Program

Snake Games Written in JS (Personal exercises)

This is a backup of the JS Snake game for personal exercises, Copy codeThe Code is as follows: JS snake-exercises 20*20 30*30 40*40 speed-slow speed-medium speed-fast

Basic usage of JQuery-tableDnD dragging

Import js on the pageCopy codeThe Code is as follows:Jquery-1.3.2.min.jsJquery. tablednd_0_5.jsNote: you must first import the jquery-1.3.2.min.js or else an error occurs.· Create a tableCopy codeThe Code is as follows: 1 One some text 2

Native javascript and jquery determine the browser version and other information

Copy codeThe Code is as follows:

Sample Code of js function sorting

Copy codeThe Code is as follows:Var as = [,];As. sort (); // sort by dictionary// Customize the order by numberFunction sortByNum (a, B ){Return parseInt (a)-parseInt (B );}As. sort (sortByNum );// Sort by Object// Define a person objectFunction

JQuery select all/reselect and click the row to change the background color instance

I first release the CSS style, but this can be ignored directly.Copy codeThe Code is as follows:Body {margin: 0; padding: 0; font-size: 12px; font-family: ;}. Datagrid {width: 100% ;}. Required IRD tr th {background-color: #191970; font-size: 14px ;}

Parse the javascript array and add and delete json Elements

Three methods for deleting arrays by using explain script1. Use shift () methodShift: Delete the first entry of the original array and return the value of the deleted element. If the array is empty, undefined is returned.Var chaomao = [1, 2, 3, 4, 5]

Summary of JavaScript window manipulation Methods

In the previous introduction, we discussed the close () method:Copy codeThe Code is as follows:Win = window. open ("http://www.jb51.net/", "js ");Win. close ();JavaScript provides many methods and attributes that we can use to control the

JavaScript code used to exit the system and jump to the logon Interface

Index. aspx page Login. aspx Write JS Code on the Index. aspx page:Copy codeThe Code is as follows:Put an exit system button. When you click exit system, the Index. aspx interface is closed to go To the Login. aspx interface.Copy codeThe Code

Native Js implements element fading/fading (the principle is to modify the css transparency of elements)

I often see the gradient display of images on the webpage and write one by myself.The principle is to modify the css transparency of an element.Online Preview effect: http://jsfiddle.net/dtdxrk/BHUp9/embedded/result/Copy codeThe Code is as follows:

Implementation of JQuery + DIV custom scroll bar styles

JQuery calculates the length and position of a scroll bar. The Code is as follows: JavascriptCopy codeThe Code is as follows: Scroll area content DIV:HtmlCopy codeThe Code is as follows:Total operating income: RMB 1.166 billion (year-on-year growth-1

Common Methods of jquery dom operations

Jquery's operations on dom are also very important.1. Three simple and practical jQuery methods for DOM operations: · Text ()-set or return the text content of the selected Element· Html ()-set or return the content of the selected element

Solutions to garbled JavaScript and alert Problems

Js files that can be used normally the other day. After some items are added, the prompt box in the alert () dialog box is always garbled with Chinese characters. I have read a lot on the Internet, basically, the answer is to add or replace gb2312

Jquery click any area of the page to achieve the cross effect of the mouse focus

Focus effects are required in many areas during system development. For example, you can click to focus, map positioning, highlight images, and focus on page elements.This feature is developed using jquery and graphics to focus on the current click

Parse how js obtains the parameter values in the current url and copies them to the input

Copy codeThe Code is as follows:Function getObject (objectId ){If (document. getElementById & document. getElementById (objectId )){Return document. getElementById (objectId );} Else if (document. all & document. all (objectId )){Return document.

Add a hyperlink to Flash (transparent layer is recommended) to be compatible with mainstream browsers

Today, I want to add a hyperlink to a Flash on the star candle network. I just wanted to directly set a hyperlink outside the object. After trying it, I found that this was not the case. I asked Baidu for help and solved the problem, the record is

Jquery Form Verification class introduction and Examples

[Html]Copy codeThe Code is as follows:Value: Floating Point: English: Uppercase English: Lowercase English: Email format: Include chinese characters: URL: Phone number: Ip address: Amount: The value is either an

JQuery operation/get specific table code

// Nav_box table nameCopy codeThe Code is as follows:$ ("# Nav_box tr"). each (function (I ){// Var text = $ (this). children ("td: first"). text ();// Var proid = $ (this). find ("input: hidden"). val ();// Alert ("proid =" + I + "=" + proid );Var

The setTimeout function is compatible with the execution results of mainstream browsers.

Currently, this setTimeout is compatible with IE6, 9, Google Chrome, FireFox, Apple Safari, and Opera.SetTimeout is a very good function, which is often used by front-end engineers on the website pages in a few seconds. SetTimeout: The JS built-in

Seamless scroll instance with javascript implementation that can change the scroll direction

Code:Copy codeThe Code is as follows: untitled document

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