JavaScript

One of the methods is to change the CSS Class of page elements. In traditional Javascript, we usually implement it by processing the classname feature of HTML Dom; jQuery provides three methods to implement this function. Although they share the

As a result, more and more portal websites are also joining the rating or voting function. Here are nine excellent JavaScript-based rating voting plug-ins and teaching materials for your second development and use. JQuery Start Rating Prototype

Javascript does not have private and public access permission setting keywords. However, you can use certain techniques to simulate the same results.First, let's look at the following line of code:Var I = (1, 2, 3, 4, 5 );The final result of

The visibility definitions of JavaScript Object structures can be divided into the following types:　1. private properties) 　　 The var keyword defines the scope of the variable in the object construction. The variable can only be accessed within the

First look at an image: 1. Introduction: S3captcha is a very useful JQuery plug-in that allows you to display images in sequence. It is implemented through php. However, I found it easy to convert it into asp.net and C # code. I made a config

Although it is convenient and easy to use, I personally think its UI performance is not too brilliant. Today I accidentally saw jquery tools-a jquery-based UI presentation framework, its UI function is similar to (or imitated) flex. This framework

Preface Javascript is an object-based Dynamic Language. That is to say, everything is an object. A typical example is that a function is considered a common object. Javascript can implement object-oriented programming through certain design patterns.

Copy codeThe Code is as follows:Array. from = $;(Function (){// Reference the Array prototypeVar arrayProto = Array. prototype,Slice = arrayProto. slice,// JS 1.6 contains the native forEach Method_ Each = arrayProto. forEach; // use native browser

For example, if you enter Michael Jacob or Changsha or Hunan in the input box, Michael Jacob will make you choose. If you enter 18, Michael Jacob will appear at the same time.The test data source is as follows:Copy codeThe Code is as follows: s1

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

This object is an extension of the function. The most important thing is the bind method. prototype's help document specifically says: Prototype takes issue with only one aspect of functions: binding. the wrap method is also very important. In the

Functions are the basis for modular program design. To compile complex Ajax applications, you must have a deeper understanding of functions.Functions in javascript are different from other languages. Each function is maintained and run as an object.

This method cannot check whether the property exists in the prototype chain of the object. The property must be a member of the object.The in operation checks whether the object has a property name. You can also check the object prototype to

Basic javascript tutorial Arithmetic Operators Operator Operator description Example Example + Addition X + y If x is an integer of 2, y is an integer of 5, x + y is equal to 7If x is the string "text1" and y is

JScript is not an object-oriented language, but an object-based language. It does not have the concept of overloading, but there is still a way to implement overloading in a certain sense through some techniques.First, define a base class TestA,

1. Using Javascript eval Method.2. using a temporary Ables save object "this" reference.3. in innerHTML, we can using String to pass the prototype Method.E.g.

Copy codeThe Code is as follows:/* Array */Array. reverse () // sorts the Array in reverse order and changes it to a new Array.Array. sort () // sorts the Array by characters and changes it to a new Array.S = Array. push ("str1", "str2") // Add an

The basic principle is to create an iframe in the current window, and then list the prompts of related keywords in iframe, and click the list to put the selected items in the search box.The number of searches for all related keywords can be listed

This is a simple image Viewer built with CSS + JS. You can click a thumbnail to view the large image. The description of each image is displayed. The position of the large image is fixed width and height, and the excess part is hidden, click the big

When using object-oriented programming, the inheritance relationships between objects are indispensable! Prototype is an important method to implement javascript inheritance!Let's take a look at the following code:Copy codeThe Code is as