javascript

Javascript is easier to learn. However, you need to pay attention to this language. This article will point out 10 possible errors in JavaScript programming.Error 1-use global variables If you have just started JavaScript programming, you may feel

DirectoryFirst, how to writeSecond, the variableThird, the data typeIv. OtherV. Statements and exceptionsVi. functions JavaScript is a programming language, the browser has built-in JavaScript interpreter, so in the browser according to the

Javascript Realazy's blog:http://realazy.org/blog/ From today on, I will publish PPK on JavaScript to this blog. PPK is one of the Web developers I admire for nothing, just because, as a JavaScript developer, he covers a range of web standards,

After discussing the theory, let's introduce how closure is implemented in ECMAScript. After discussing the theory, let's introduce how closure is implemented in ECMAScript. It is necessary to emphasize that ECMAScript only uses static (lexical)

If the variable is related to the execution context, the variable should know where its data is stored and how to access it. During JavaScript programming, we can't avoid declaring functions and variables to build our system successfully. But how

How do we know how the JavaScript engine works JavaScript Quest: The importance of writing maintainable code JavaScript Quest: Use global variables with caution JavaScript Quest: Var pre-parsing and side effects JavaScript Quest: For Loop

1. The internal ideas of the chat demonstration program, together with this article, are all my own. All chat programs I have seen are not completely based on Java or HTML. My method is a good balance between the two methods. 2. After reading a

The name "JavaScript" is sure to be familiar, but only a small group of people understand how it works and how the application is built. This "small minority" refers, of course, to skilled young people, web programmers, and IT professionals. But for

To master JavaScript, first of all, we must discard the interference of some other advanced languages such as Java, C #, and other class-oriented Object-oriented thinking, fully understand the features of the original type of JavaScript

When I read the jQuery source code, I often think that those factors will make me unable to read the code. Which of the most critical factors is the earliest thought of as the architectural design of jQuery, when I finally found the jQuery

As we all know, the identifier of the name function expression is only valid in the local scope of the function. But As we all know, the identifier of the name function expression is only valid in the local scope of the function. But what does the

The scope chain and variable object are introduced earlier. Now it is easy to understand the closure. Actually, we have all talked about closures. The scope chain and variable object are introduced earlier. Now it is easy to understand the closure.

Data in the execution context (variables, function declarations, and function parameters) are stored as attributes in the variable object. Variable Data in the execution context (variables, function declarations, and function parameters) are stored

What's worse is that ECMAScript of IE implements JScript to seriously confuse the name function expression. What's worse is that the implementation of JScript by ECMAScript of IE seriously obfuscated the name function expression, and many people

First, IntroductionJavaScript is a programming language, the browser has built-in JavaScript interpreter, so in the browser according to the JavaScript language rules to write the corresponding code, the browser can explain and make corresponding

In ECMAScript, the two most common methods for creating a function are function expressions and function declarations. In ECMAScript, the two most common methods for creating a function are function expressions and function declarations. The

ECMAScript is a highly abstract object-oriented language. ECMAScript is a highly abstract object-oriented language used to process Objects. Of course, there are also basic types, but if necessary, you also need to convert them into object objects

In addition to creating objects, constructor also does another useful thing-automatically creates In addition to creating objects, constructor has also done another useful thing: prototype object is automatically set for the newly created object ).

I have been reading a lot of good JavaScript source code when it is often the weird grammar of exhaustion, so the occasional reinforcement of the basic JavaScript is very necessary, these knowledge every time or you change the angle to think can be

JavaScript objectsAll things in JavaScript are objects: strings, numbers, arrays, functions ...In addition, JavaScript allows custom objects to be customized.All things are objectsJavaScript provides multiple built-in objects, such as String, Date,