JavaScript

Compare with other compression tool compression rates: 1. JavaScript Compressor (http://dean.edwards.name/packer/) With his own compression tool code as an example (v2.02) Packer compressed after a size of 7,428 bytes (remove annotation). And our

Copy Code code as follows: untitled document qrasfdasfasfdasfsafasdfsafsafasdfasdfasd Adding this string of code to the page also has a search function. Demo effect, please see this blog page with the mouse text

The JavaScript event processing mechanism was recently used to find some information. When writing JavaScript programs, events are used Copy Code code as follows: Object.event = handler; The way you initialize it. This

This article illustrates the way JavaScript determines whether Firebug is open. Share to everyone for your reference, specific as follows: Often with Firefox + firebug debugging JavaScript friends know, one but open firebug, page JS operation will

JS itself is not an object-oriented language, in our actual development in fact, the object-oriented thinking is rarely used, it has always been thought that when it comes to reuse, it is encapsulated as an object, but as the current project is

The most lazy way to javasctipt compatibility is to use jquery's tool function. Try not to use functions such as ECMAScript, because many browsers report errors that cannot be found in the function. Here's a list of some JavaScript issues that

JavaScript as a flexible scripting language, its success is obvious to us. However, for JavaScript statements, you can not use the ";" At the end of this, I've been brooding about it! In addition to the confusion of the statement and its reliance on

JS Window Window objects: http://www.w3school.com.cn/js/js_window.asp Window objects are supported by all browsers. It represents the browser window. All JavaScript global objects, functions, and variables automatically become members of the

Timer 1 Used to specify a program to be executed after a certain period of time. SetTimeout (): Format: [Timer object name =] SetTimeout ("", ms) Function: Execute once. Example: Copy Code code as follows: timer1.html

Many of the basics in JavaScript are basically the same as in Java, so there's no need to repeat them separately, including: Various arithmetic operators, comparison operators, logical operators; If Else statement, switch statement; For loop,

CSS Code Copy Code code as follows: HTML code Copy Code code as follows: JavaScript code Copy Code code as follows:

There are two special properties inside the function: arguments and this. Arguments is a class array object that contains all the arguments passed in,But this object also has a property called Callee, which is a pointer to the function that owns the

The data contained in the object can be accessed in two ways Both objects (property) and methods (method) A property is a variable that is subordinate to a particular object, and the method is a function that a particular object can transport. An

The format of the Stwith statement is generally as follows: Copy Code code as follows: switch (expression) { Case Value:statement1 Break Case Value2:statement2 Break .... Case Value:statement Break Default:statement;

Keyword cannot be used as a variable name or function name Copy Code code as follows: Break Case Catch Continue Default Delete Todo Else Finally For function If In instanceof New Return Switch This

All languages have the ability to type, JavaScript is no exception, it also provides developers with a large number of type conversion method, through the global function, can achieve more complex data types. Copy Code code as follows:

Variables in JavaScript are declared by the VAR keyword (variable). Copy Code code as follows: var school = "Beijingyizhong" You can also give variables multiple values by using the var keyword. Copy Code code as

1. Case sensitive In JavaScript, variables, functions, and operators are case-sensitive. 2. Weakly typed variables Define variables with the "var" keyword only Copy Code code as follows: var age = 25; var myscholl = "Sanxiao";

Overview: The composition of JavaScript, the role of each component, One, the composition of JavaScript JavascriptECMAScript (CORE) DOM (Document Object model) BOM (Browser object model) 1.1ECMAScript ECMAScript is a ECMA-262 standardized

Event handling One, event Source: Any HTML element (node), body, Div, button II. Events: your operation Mouse:ClickDblick Double clickOnContextMenu Text Menu Copy Code code as follows: //a program that disables the right key