JavaScript

To load XSL for XML documents in real timeProgramCreate four objects. We use JavaScript as the development language to talk about the use of these four objects. The access objects used to create XSL and XML files must use multiple threads. //

Javascript reserved keywords and dangerous variable names define variable names with caution In the development process, use as few words as possible as the variable name or attribute name. The keywords are strictly not allowed, when using the

Remove spaces at the beginning and end, check whether the string contains Chinese characters, open a new window, verify the IP address, normalize the floating point number to the specified precision, and determine whether the provided string is

We have discussed how to encapsulate private instance members, public instance members, Private Static members, public static members, and static classes in JavaScript. This time we will discuss the other two elements of object-oriented programming:

Qunit is a framework developed by the jquery team for unit testing on JavaScript. This article describes what qunit is and why you need to care about code testing. What is qunit? Qunit is a powerful JavaScript unit testing framework that helps code

Recently, we used the formula for calculating the distance between two points on the earth's surface based on latitude and longitude, and then implemented it using Js. There are two ways to calculate the distance between two points on the Earth's

Extract A good parts of a language or technology and use this subset to construct robust and stable applications. We are always inclined to learn and use all the language features, as if all new and provided are necessary to use them. This book

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 02. Inheritance in Javascript ---- inherits This article does not elaborate too much on the concept of inheritance in OOP, but uses native JavaScript code to simulate class inheritance (not object extension)Class inheritance: inherits Assume that a

Understanding the Javascript closure (closure) Topic original post http://www.w3cgroup.com/article.asp? Id = 87 This article introducesJavascript Closure. After reading it, my simple understanding of the Javascript closure is the "maintaining a

The most common JavaScript error is 13. You may have to make these mistakes. We describe these bad habits and come up with solutions to help developers. 1. For... array iteration usage of for... in to iterate Arrays Example: var myArray = [ “a”,

There are countless popular JavaScript libraries, such as jquery, mootools, prototype, dojo, and Yui. These JavaScript libraries are rich in functionality, and their plug-ins are almost competent for any job. However, there is a price. These

Use JavaScript to call Android code 1. Use the addjavascriptinterface method of the webview object 2. the addjavascriptinterface method has two parameters. The first parameter is a class that we generally implement. The class provides the method we

} Return true;} // Verify the negative valueFunction checknegative (Val, Min, Max, mode ){If (mode = 0) & (Val. value = "")){Return true;} If (! Checknumber (Val, Min, Max, mode )){Val. Focus ();Val. Select ();Return false;}If (parseint (Val. Value)

Today, we will focus on the object-oriented content of javascript: object literal, this, this, call () and apply () methods, and JS exception handling. Object literal: 1. The examples we have seen earlier use dot identifiers to create objects and

In javascript, arrays and objects are two different data types, and they are also the two most important data types. 　　Object 　　1. Create an object The simplest way to create an object is to add an object directly in javascript code. The direct

Today, I found a strange problem at work. In theory, it should be an array without elements. The length is actually 1. After checking for half a day, it turns out that the split in Javascript is different from other languages. That is, if you use

1. Understand Boolean objects Boolean objects are also Boolean objects, indicating logic, true and false. 2. Create a Boolean object 1 3. Boolean attribute | Boolean Method Boolean objects support the prototype attribute to add or redefine the

The prototype of Javascript is always confusing. No matter how experienced experts or the author himself, he often shows limited understanding of this concept, I think this confusion has emerged when we first came into contact with prototypes. They

Error native typeIndicates the error object.-- EvalError, URLError, RangeError, etc.Capture Method-- Try {throw new Error ()} catch (e ){}-- In theory, throw can be used as the intended object.Public attribute of the Error object IE and FireFox--