JavaScript

This is a very typical application of a background-position-x. The technical content is not high, but the idea is worth thinking about, proving that there are many things that can be adapted to DHTML. With the background map, if done more complex,

One, the variable declaration promotion Hoisting English [' hɔɪstɪŋ] us [' hɔɪstɪŋ] N. Lifting and lifting V. To put the ... Hang Up, rise (hoist present participle) First look at a chestnut var cc = ' Hello '; function foo () { console.

Use JS to do time correction, get the time of the machine, there is a bug. Use JS can also get to the server time, the principle is to use AJAX request, the return of the header information on the server side of the time information, get to it.

This method returns a string that indicates whether the reference string is given before or after the arrival or the same sort order.Grammar String.localecompare (param) The following are the details of the parameters: PARAM:

What is a cookie? Web browsers and servers communicate using the HTTP protocol, and HTTP is a stateless protocol. But for a commercial website it needs to keep the conversation information between different pages. For example, after multiple pages

JavaScript has two conversion methods for data types: (i) converting an entire value from one type to another (called a basic data type conversion) (ii) Extract the value of another type from one value and complete the conversion work

2.1 Select the appropriate editing tool for your own 1. Notepad 2. Ultra Edit32: Have the key liao coloring, AutoCorrect keyword 3.EditPlus: The browser embedded in its own window, you can browse the Web effect at any time. 4.1st JavaScript Editor,

Javascript Determines whether two IP is on the same network segment The following script does not judge the IP format and only determines whether two IP is in the same network segment. Example, JavaScript determines whether two IP is on the same

One, the effect shows Ordinary three Div Drag the mouse to select the effect Select all of the DIV This does not seem to see the effect, it does not matter, we have a magic gif animation, to a whole animation effect feel. Second, code

Please note that the effect of example2.html under Firefox is not rounded in IE, because of compatibility. And the trigger action too fast will cause each Li to increment two times to three times, this reason is not related to the class (Action.js)

Learning a programming language is nothing but two aspects: one is grammar, the other is data type. The syntax of Class C language is nothing more than if, while, for, function, arithmetic, and so on, and object-oriented language plus object.Grammar

1, this is a div outerHTML innerHTML innertText 2. Javascript Error Copy Code code as follows: w1=0; W1+=math.round (1333333.99*100); W1+=math.round (13663.38*100); document.write (w1/100); w1=0; w1+=1333333.99; w1+=13663.

1. Match pattern Mark: The g------represents the global schema, rather than finding that the first match succeeds and ends immediately. I-------indicates case-insensitive mode M-----represents multiple-line matches, and the next line continues to

1. Prototype chain Rarely used alone Copy Code code as follows: View Code Defines the superclass class, which has an attribute property and a method Getsupervalue Function Superclass () { This.property = true; }

Creation of arrays First type: Copy Code code as follows: var colors = new Array (); var colors = new Array (20);//Create an array containing 20 items var colors = new Array ("Greg");//Create an array that contains 1 entries, the

Before you mention the above concepts, first of all, let's talk about the implied parameters of functions in javascript: arguments Arguments The object represents the function being executed and the arguments of the function that called

This article describes the JavaScript implementation to get picture size and image scaling method. Share to everyone for your reference, specific as follows: Get picture size: var originimage = new Image (); function Getimagewidth (oimage) {

Usually only after work time can code, free to write a pure JavaScript version. The Calendar.js file is referenced, and then the ID of the input to be set to the Calendar control is set to calendar, and the input is changed to a calendaring control.

One, Conditional branch statement : if Basic format: if () {}else if () {}else{} Execution process: Second, the circular statement 2.1 Pre-Test Loop statement: Evaluate the export condition before the code in the loop body is executed.

In JavaScript, arrays can be created using the array constructor, or created quickly using [], which is also the preferred method. An array is a prototype that inherits from object, and he has no special return value for TypeOf, and he only returns '