JavaScript

When writing a client script, you may need to add the option to the select control. Code Is easier to achieve: VaR opt = New Option ('mytext', 'myvalue '); Here, parameter 1 is the value displayed to the user, and parameter 2 is the actual

Event bubbling Event Capture: parent-level elements are triggered first, and child-level elements are triggered later. Event bubbling: Child-level elements are triggered first, and parent-level elements are triggered later. Currently, in IE

A long time ago, I spoke about the JS development environment ...... The original article is as follows: Javascript development has never been easier. This is due to inconsistency of Web browsers, incomplete documents, and tools with poor quality.

[Program principle] The following uses simpledrag as an example to describe the basic principle. First, you need a drag-and-drop object in the initialization program:This. Drag = $ (drag );Two parameters are also required to record the coordinates

Most of the Translation results show that some people have translated, and the translation is quite good. However, I tried to flip down my head and make some modifications according to him. This is the first time I translated E. Original article:

Javascript scope and JS Scope After reading this article, I found that the more basic things are displayed, the more advanced they are.Reference: http://realazy.org/blog/2007/07/18/scope-in-javascript/Scope is one of the cornerstones of the

// Remove spaces at both ends of the string. The usage is string. Trim ()String. Prototype. Trim = function (){Return this. Replace (/(^/S *) | (/S * $)/g ,"");} Function checkinput (){// Verification nameDocument. form1.addmessage1 _ messagetitle.

String. Prototype. Trim = function (STR ){VaR RegEx = new Regexp ("^ (" + STR + ") * | (" + STR + ") * $", "G ");Return this. Replace (RegEx ,'');};String. Prototype. ltrim = function (STR ){VaR RegEx = new Regexp ("^ (" + STR + ") *", "G ");Alert

JS framework Learning 1. Underscore http://documentcloud.github.com/underscore/========================================================== ======================================Underscore is a utility-belt library for JavaScript that provides a lot

I just started to learn extjs. I started to learn the basics of JavaScript on the first day, including Dom programming and the use of various JavaScript APIs. I made a comprehensive example-web typing games. Effect: Javascript web typing

========================================================== ==========================================================Qomolangma openproject v0.9 Category: rich Web ClientKey words: JS Oop, JS framwork, rich Web Client, Ria, Web component,Dom, dthml,

Author: aimingoo Source: csdn Release Date: Reading: 837 original link full screen reading [favorites] The question of JavaScript data types has been discussed many times, but many books still use incorrect and chaotic ideas, so I will explain it in

// Method. obtain its object based on the name of the input element. applicable to single choice and check boxes. Function $ n (elementsname) {return document. getelementsbyname (elementsname );} /* Method Name getcheckboxvaluesary (cboxname,

(1): Add an element to the array: var array = [];     VaRArray = [];  Array. Push (123 );  Array. Push (456 );  Array. Push (false );  Array. Push ("M ");  Array. Push ("");  Array. Push ("S ");    For (VAR item in array ){   Alert (typeofArray

A simple JavaScript class definition example A simple example of JavaScript Public Member definition, Private member definition, and privileged method definition is provided.Java code

Document directory Object/Feature Detection User-Agent string Detection Detection Operating System: If you do not have a deep understanding of JavaScript, it is easy to write incompatible code (like me). At this time, you have to judge the

Document directory 1. JavaScript scope chain 2. In the function body, the priority of local variables is higher than that of global variables with the same name. 3. JavaScript does not have block-level scope. 4. variables declared in the

Original To prevent xss and csrf + xss vulnerabilities, strings are transcoded in the background. The result is as follows:Original article: JavaScript Advanced ProgrammingCode: JavaScript & #39640; & #32423; & #31243; & #24207; & #35774; &

GetAttribute () method So far, we have introduced two methods to retrieve specific element nodes: getElementById () and getElementsByTagName. After finding the element, we can use the getAttribute () method to query the values of its various

Before talking about the above concepts, we should first talk about the implicit parameter of the function in javascript: arguments ArgumentsThis object represents the parameters of the runtime function.[Function.] arguments [n]ParametersFunction: