(Updating) JavaScript learning notes

1. Add events in JS $ ("F"). attachevent ("onclick", a); $ ("F"). detachevent ("onclick", ); $ ("F"). onclick = A; difference: the former can add multiple event functions, and the latter can only add one event function. You can pass in the

Significance of JavaScript CDATA

Everything inside CDATA is ignored by the parser. Assume that the text contains a large number of "CodeThis is often the case-the XML element can be defined as a CDATA part. CDATA section starts with " ": In the preceding example,

Using JavaScript to drag Elements

Note: Drag Process Mouse-> (move the mouse-> move the element) Move the mouse and press the button to start. For IE, we mainly use obj. attachevent () & obj. detachevent ()For Firefox, obj. addeventlistener () & obj. removeeventlistener of Dom 2

Cyico collects some methods for converting utf8 to gb2312 and implementing urlencode and urldecode in JavaScript.

Http://hi.baidu.com/cyico/blog/item/596e6f1694417d4e20a4e99a.html Keywords: gb2312 conversion UTF-8 UTF-8 conversion gb2312 JavaScript urlencode decoding hex ASC Chr In my previous articleArticleIt has implemented the issue of decoding urlencode

Study Notes on JavaScript advanced programming (8): some Dom Basics

Dom is the greatest innovation in web history after HTML first appeared on the Internet. 1.XML preface: Followed by the preface, it is generally pi-processing command, in order to process the pageProgram(For example, XML Parser) provides additional

Javascript-custom object

I. Overview In Java, we can define our own classes and create objects based on these classes for use. In JavaScript, we can also define our own classes, for example, define the user class and hashtable class. Currently, some standard classes

Two solutions to the Javascript folder selection box

Source: http://www.blogjava.net/supercrsky/archive/2008/06/17/208641.html Solution 1:Windows Shell is called, but security issues may occur. * Browsefolder. js* This file defines the browsefolder () function, which provides a folder selection

-JavaScript Object-Oriented Technology

Http://www.javaeye.com/wiki/Object_Oriented_JavaScript? Category_id = 0 I have read a lot about the Javascript object-oriented technology.Article, Dizzy. Why? Not because of poor writing, but because it is too esoteric. the objects in Javascript

Understanding JavaScript Functions (differences and relationships between functions and objects)

Original article: http://harrison2010.javaeye.com/blog/173446 Relationship Between Function objects and other internal objects   In addition to function objects, there are also many internal objects, such as object, array, date, Regexp, math,

Record my journey 4 Javascript DOM Study Notes

I have not written a blog for a long time. From today on, my blog continues. Hey hey, let's go on journey 3 to continue our Dom journey 4. This blog post is about the dynamic creation of Dom. Dynamic Dom Creation (1) document. Write

Alternative JavaScript usage: bookmarklet (bookmarklet)

In fact IE There is no such statement as "bookmarks ". Firefox In IE, it is called "favorites ". We can use these bookmarks to implement many practical and interesting functions. For example, if you do not like the color settings of the current

12 traps to be bypassed in Javascript syntax

This article excerpted the network logs From Ruan YifengHttp://www.ruanyifeng.com/blog/The original Article is titled 12 unsuitable JavaScript syntaxes. The original Article is Ruan Yifeng's post-reading experience on the book "The essence of

JS closure, key points of anonymous functions; JS keyboard input; JavaScript code execution; JS asynchronous callback function, how to avoid sysfader errors

(1) Bind The onclick event of the DOM element to the Method Dom. onclick = function () {otherfunctiong ()}; When using js to define the onclick-triggered function, you must use an anonymous function to enclose the called function. Otherwise, the

Javascript series: ecmascript reference type

The reference type is usually called a class, and the reference value is processed as an object. An object is created with the new operator and the name of the class to be instantiated. When there is more than one parameter, ecmascript requires

Javascript series: ecmascript statements

1. If statement If statement Syntax: If(Condition) statement1ElseStatement2 2. Iterative statements An Iteration statement is also called a loop statement. It declares a group of commands that need to be executed repeatedly until certain

Javascript-function/arguments

Description: Create a new function. Syntax: Function funname ([argu1 [, argu2 [,... [, Argun]) {} VaR funname = function ([argu1 [, argu2 [,... [, Argun]) {} Funname is essential. Example:

Study Notes on JavaScript advanced programming (1): Some weird features of JavaScript Data Types

Learning. Some strange features of JavaScript data types are found: Javascript is a very flexible scripting language. In addition to the well-known weak types and weak definitions, there are also some weird features that are not quite relevant to

[] () +! How JavaScript code works

I posted this blog post yesterday and introduced this special JavaScript implementation method. Many people leave a message saying they don't understand it. I will give you a brief analysis. In fact, it uses the simple principle of JavaScript.

A good Javascript development tool is recommended.

1 stjavascript Editor Is a powerfulJavascript development, verification and debugging toolsIt is easy to use, no matter you are a beginner or professional developer, you can easily get started! At the same time, it is perfect.Ajax(Asynchronous

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