JavaScript

Test results: Safari contains 65535. That is, ushort is used for storage (2 bytes, 16 bytes, and 1). For more information, ignore. Other browsers are at least Int. maxvalue. It is said that Firefox or even long is used to maintain real

VaR list = [{ID: 1, name: "czone", age: 21}, {ID: 2, name: 'czonechan ', age: 21}]; VaR template = ' $ name $ age '; Implement a common method and use initialization data to assemble templates.CopyCodeThe Code is as follows: function

When onchange is used in the text box input box, there is an obvious deficiency. The event will not be triggered with the text input, but will be triggered when the text box loses the focus (onblur). That is, there is no instant! In IE,

Key to technical implementation: the display feature of CSS is used. The value of the display feature is none and block. None is hidden, and block is displayed. Previous design: The foldable area is divided into two areas: the title bar and

The countdown to realistic JS images shows the remaining hours, minutes, and seconds. You can use only one image, which is not the same as the pure web version. Now it's really good to use pictures to simulate the LED effect. I hope everyone will

These two days I have been using regular expressions to create something a little complicated, but the difference between different browsers can waste a lot of people. Now, let's sort out the differences between the regular expressions in five

Someone asked a JS question: CopyCode The Code is as follows: var I = 0.07; VaR r = I * 100; Alert (R ); Why is the result 7.0000000000000001?After checking the information, we know that in javsscript, variables are stored by float instead of the

When a JS object is generated: For example, function BB (){This. A = "KKK"} VaR B = new BB ();In this case, B is the prototype object pointed to by the prototype attribute of the object with BB;The prototype object has the constructor attribute

A simple image amplification effect: Parameter description: 1. berviary: string, the ID of the image to be enlarged 2. Expand: object. If this item is not set or the ID of this item is not set, the cursor follows mode by default. A Div used to

In the browser, once we add the node to document. in the body (or other nodes), the page will update and reflect this change. For a small number of updates, loop insertion will also run well, which is also a common method. Code As follows: Copy

The effect is as follows: Javascript Code As follows: Copy code The Code is as follows: var calendar = function (){ VaR self = this; Self. Box = Document. createelement ("Div ");Self. Head = Document. createelement ("Div ");Self.

This method is quite useful. Programming Language And Javascript is no exception. However, when I run the following Code Time: Copy code The Code is as follows: var arr = [1, 2, 3]; Alert (ARR. indexof (1 )); "The object does not support this

1) Javascript Object member experiment: Copy codeThe Code is as follows: var f = function d (){ This. a = "a";/* this statement does not exist after running. f. a does not exist. d. a has a window. */ Var B = "B";/* local variable */ }; Var o = {ff:

The list of JavaScript false values is as follows, Value Type 0 Number NaN (non-numeric) Number ''(Null String) String False Boolean Null Object

1. onchange and its onpropertychange, oninput In IE, you can use onpropertychangel to immediately trigger the listener,Oninput can be used in FF, but events must be bound using the addEventListener method recommended by

Because it is a helper class library, in order to be compatible with all other frameworks and class libraries, the package is used to expand the object. The main content of the D Class Library is the extension of common built-in js objects, such as

For example, when we move the mouse over an icon, the icon will have some animation effects (gradient amplification, flashing, changing colors, etc ), the friendly effects are basically related to styles. Therefore, I learned how to operate styles

Suppose there is a tag on our page: Copy codeThe Code is as follows: Add the following script to the page:Copy codeThe Code is as follows: Window. onload = function () {// bind events to elements at various levelsWindow. onclick = func;Document.

Here, we use native javascript to create an easy-to-maintain and easy-to-use sliding menu in an object-oriented way. The Calling method is as follows: Copy codeThe Code is as follows: var $ sliding = document. getElementById ("silding "); Var s1 =

Test Environment (client browser) IE6, IE7, IE8 compatible mode, IE8 Firefox 3.6.8, google chrome 5.0.375.125 The standard definitions of the two functions are described first.ElementNode. setAttribute (name, value)Name is required. Specifies the