JavaScript

This article recommends 10 powerful JavaScript plug-ins for charting graphics. Some of these plug-ins require the support of mainstream browsers, while others are integrated to work on different platforms and older browsers. Some tools are

Copies can be used: objects. createTextRange (). ExecCommand ("copy") command, you can use: Window.clipboardData.setData ("text", source of content) Here the source of the content such as to get text box ID for y text copy to the Clipboard, here

1. jquery Gets the parent page element code in the IFRAME page as follows: $ ("#objid", parent.document) 2. jquery gets the element of an IFRAME child page on the parent page The code is as follows: $ ("#objid", Document.frames (' Iframename ').

callback function Principle: I'm leaving now, I'll let you know.This is an asynchronous process, "I go" in the process (function execution), "You" can do anything, "to" (function completed) "Notify You" (callback) after the process Example

When dealing with arrays, we sometimes need to sort the array, there are many ways to sort, but the best and quickest way is to use the sort method for fast sorting. Let's take a look at an example: The code is as follows Copy Code

In my development work, I often encounter situations where it is necessary to determine whether a function is a JavaScript native function, and it is sometimes a necessity to know if the function is provided by the browser itself or by a third party,

One of the usual ways that webmasters used to let the user click on the ads to see the real content, the most use is to click on ads after the display download address, this function is very helpful to advertising revenue, but lost the user

The code is as follows Copy Code Url: PHP detects URL address validity The code is as follows Copy Code ?function Is_url ($STR) {Return Preg_match ("/^http://[a-za-z0-9]+.[ a-za-z0-9]+[/=?%-&_~

People who write C or Java habits may find that JavaScript does not have the concept of namespaces, of course, if apes (such as write Js,php,python) do not have access to namespaces, they may not pay attention or attention to namespaces. Such a

This article provides you with several commonly used JavaScript tutorials e-mail Verification code Oh, all are streamlined and easy to understand the JS email verification program Oh, let's look at these examples.

function Is_all_ws (NOD) {return! /[^tnr]/.test (nod.data)); }function Is_ignorable (NOD) {return (Nod.nodetype = 8) | | ((Nod.nodetype = 3) && Is_all_ws (NOD)); }function Node_before (SIB) {while ((Sib = sib.previoussibling)) {if (!is_ignorable

JavaScript Tutorial HTML illegal character filtering and conversion functions

JavaScript Tutorial e-mail address verification Program Validateemail () Next we want to see the email address if the user input is true. This means that the input data Must contain at least one @ symbol and one point (. ）。 In addition, @ must

JavaScript Tutorial Phone number verification The following check function, if the phone number is valid. At first we used the regular expression and the replace () method To clear any interval character. Next, we use the isNaN () function to

Javascrip new Array Create an array There are several different ways to create an array. Creates an array of arrays to participate in () construct the old way. JavaScript arrays are dynamic, and you can declare an array without constructing the

JavaScript Tutorial Split Function Instance Tutorial

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Tip: You can modify some of the code before running native JavaScript effects: Expand/Shrink Menu native JavaScript effect: Expand/Shrink Menu jquery special effects jquery focus Diagram jquery tab jquery form

When Flash is placed in an HTML container, it often encounters communication problems between AS and JS, such AS whether JS can call variables and methods in AS, and whether AS can call variables and methods in JS. The answer is yes. With the