JavaScript

1. script// Ajax implements level-2 cascade in the drop-down box. The list in the second drop-down box is changed based on the value of the first drop-down box.// Create an xmlHttpRequest object based on the browser typeFunction createXmlHttpRequest

  1. The last line in createObject method is the key. that is return object. as you see, in the createObject method, one object actually generate an new function object. this is not what we want. it is better that an new object has its 'own

Javascript pop-up window Summary   1: window. open Optional values open('page.html ', 'newwindow', 'height = 100, width = 400, top = 0, left = 0, toolbar = no, menubar = no, scrollbars = no, resizable = no, location = no, status = no ') // Write a

This is a good example. You can test it to understand it. new document    & nbsp; name age Date of Birth 6 25 8 1 2 4  This article is from "Qiao Lei's blog learning and progress"

Ext js faq favorites1) If there are many nested components, the external Contaner should try not to use the renderTo attribute to load them to the id of a div, We recommend that you use obj. render ('id') to load components after defining Contaner

--------------------- Example of a single row drag by GRID ---------------------------------------// Create the first GRIDVar firstGrid = new Ext. grid. GridPanel ({DdGroup: 'secondgridddgroup', // This is the ddGroup of the second GRID.Store:

In my local test:It can be used in IE, FireFox, and OperaDocument. body. clientWidthDocument. body. clientHeightIt is very simple and convenient.In the company's projects:Opera is still in useDocument. body. clientWidthDocument. body.

Solution 1:Windows shell is called, but security issues may occur. * BrowseFolder. js* This file defines the BrowseFolder () function, which provides a folder selection dialog box.* Allows you to select system folders.* The start directory of the

Method for returning the previous page in JS:1,Js Code previous page 2,Js Code return to the previous page 3,Js CodeIf a button is used:Lt; input type = "button" name = "Submit" onclick = "javascript: history. back ();" value = "back to previous

Js Code// Webpage rolling event, triggered by changing the position of the specified ElementJs Code Author "wolf blog" 

QQ alumni DIV simulation window: Recently, a student information platform is required. It is estimated that it will become my graduation project. Like QQ alumni, I began a series of imitation. Since ajax is essential to improve user experience,

Keydown, keyup, keypress event object in Javascript, keyCode! = KeyChar. Many people on the internet provide a comparison table between keyCode and keyChar. Therefore, according to the table of comparison, the following tool functions are generated.

Without rules, JavaScript brings flexibility, uncontrolled variables, and access. Therefore, you must use rules to limit it. A mature team or a fresh team should have different rules. I just want to list some common or effective methods to constrain

Several methods for obtaining elements in iframe through query Obtain the elements of the parent page on the iframe subpageThe Code is as follows: $ ('# ObjId', parent.doc ument );// Get it done... Obtain the element of the iframe subpage on the

There are two ways to submit a form in js post mode: 1: AJAX submit 2: create a form in JS, and then submit Code of the second methodJava code// This is mainly for password MD5Var email = 'email ';Var pwd = 'Password ';Var postForm = document.

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Mootools1.4-Fx. Tween class source code analysis, if you understand the error, please correct: /*--- Name: Fx. Tween Description: Formerly Fx. Style, effect to transition any CSS property for an element. License: MIT-style license. Requires: Fx. CSS 

Yesterday I saw several animations on Google's homepage. I found that they were not made in flash, but implemented in js + images! Today, we used JavaScript to implement the animated effect of the copied image! Look at the effect:

When I read the jQuery source code, I often think that those factors will make me unable to read the code. Which of the most critical factors is the earliest thought of as the architectural design of jQuery, when I finally found the entry to

Simple JavaScript code written a long time ago allows page elements to rotate:Copy and paste the following code in the address bar, and press enter (IE6 \ 7 \ 8 passed the test ):Javascript: r = 100; shita = 0; function a (element, speed, size,