JavaScript

Object-oriented and object-basedalmost every developer has development experience in object-oriented languages such as C + +, C #, Java. In traditional object-oriented languages, there are two very important concepts-classes and instances. A class

General printing on the use of Window.print (); it's OK. But generally it is selective printing so the method is invoked: Copy Code code as follows: Function Preview () { bdhtml=window.document.body.innerhtml; Sprnstr= "";

/** * 2010-7-13 * He Sen * Love * js various forms of data validation * * */*********************************************************************** //************************************* Digital Verification *****************************************

You have to decide which of these two ways to write your JavaScript, and in order to help you make informed decisions about which is more appropriate for you, we will compare the pros and cons of these two methods. One disadvantage of using

Copy Code code as follows: var f1 = function (P1,P2,P3) { Switch (arguments.length) { Case 0: Alert ("F1 version of the argument") Break Case 1: Alert ("1-parameter version of F1:" + p1) Break Case 2: Alert ("2-parameter version of

At first, I thought of the Click () event in jquery to trigger the hyperlink's clicked event (the same effect as trigger ("click"). It turned out to be unsatisfactory. Examples are as follows: Effect chart Ie: FireFox: Copy Code code as

The principle is basically this, if the incoming is a string, then let them become an element node, but this element node can also have many layers, in the most inner layer of the elements to be wrapped in. There are several ways to turn a string

Copy Code code as follows: Http:// JavaScript Validation Form Encyclopedia 1. Length Limit Copy Code code as follows: 2. Can only be Chinese characters 3. "Can only be English

In this article, the author describes the differences between 7 JavaScript in IE and Firefox. 1. CSS "Float" value The most basic syntax for accessing a given CSS value is: Object.style.property, using the hump to replace a value with a connector,

Take a look at one of the old pros that is not fresh but interesting to the rookie: 　　　　 What the heck is that? It's a Luan Lun. New With the above diagram, let's look at the second question left in the previous article, where we can add

Load the page before loading the principle of advertising:The order of the page is in order to load the page from top to bottom to complete, so want to make the advertisement does not affect the page to open the speed, must wait for the page all

Originally used in the Try-catch way, in the catch statement, we will receive an Error object (we can also throw a custom exception object). The Error object in Firefox has the following properties: message--error message filename--represents the

Test.htm Copy Code code as follows: array-remove-repeate Watch.js Copy Code code as follows: var Watch = { Result: [], GUID:-1, totaltime:0, Start:function (title) { This.result[++this.guid]

The order may be messy, write more collated, some terminology may be used or inappropriate, welcome to criticize. The following examples of the use of the program are verified by my actual, compatible with the major browsers. OK, step to the point.

Copy Code code as follows: Topic: Write a function that removes duplicate values from the given array. Such as: Incoming array A = [0, 8, 5, 4, M, 8, N, 4, ' A ', ' B ', ' a ']; Request return: [0,4,5,8,78,90,a,b] For this

The program is to simulate such a three-dimensional space, inside the picture will be based on three-dimensional coordinates displayed in this space. I've seen a 3DRoom effect a long time ago, it's done with complex computations. After the previous

Increasingly feel that there is no teaching and educating atmosphere, in order to understand the closure of JS, I resorted to my English four level of sucking the strength to Google to search for the closure of the package explanation, when I saw

Github:https://github.com/hirokidaichi/namespace-js Define namespace objects: var Namespace Now for a specific look at the definition of the Namespace object, it is a Namespacedefinition object. The object is a function object (the constructor of

2.9 operator 2.9.1, unary operators The unary operator has only one parameter, the object or value to manipulate. 1. Delete: Deletes a reference to a previously defined object property or method, but this operator cannot remove properties and

anonymous function, which is a function without a name. Such as: Copy Code code as follows: function () { Alert (' a function '); } However, the above code will make an error. Firebug hint: Function statement requires a