what in javascript

In javascript, we can use a built-in class to define a regular expression. Actually, the RegEx Definition In javascript, we can use a built-in class to define a regular expression. var reName = new RegExp("nowamagic"); In fact, the RegExp

Original link: http://www.2cto.com/kf/201204/128406.html "invasion and deletion"While JavaScript declares variables, while declaring them with the Var keyword and declaring them without the keyword, there are many times when it's not a problem to

Let's talk about several borrow methods in JavaScript. Preface Using call (), apply (), and bind () methods, we can easily borrow methods from other objects without inheriting them from them. Borrow methods in JavaScript In JavaScript, functions or

In JavaScript, functions are the first class of objects, which means that functions can be used like objects in the first class of management. Since functions are actually objects: they can be "stored" in variables, can be passed as function

Overview function is the basis of modular programming, writing complex AJAX applications, you must have a more in-depth understanding of the function. Functions in JavaScript are different from other languages, and each function is maintained and

javascript| function function is the basis of modular programming, writing complex AJAX applications, you must have a more in-depth understanding of the function. Functions in JavaScript are different from other languages, and each function is

ajax| function function is the basis of modular programming, writing complex AJAX applications, you must have a more in-depth understanding of the function. Functions in JavaScript are different from other languages, and each function is maintained

Functions are the basis for modular programming, and for writing complex AJAX applications, you must have a deeper understanding of the functions.The functions in JavaScript are different from those of other languages, and each function is

The following are mainly excerpted from [the](1) in JavaScript, functions is first-class objects, which means functions can be used in a first-class manner like object s, since they is in fact objects Themselves:they can is "stored in variables,

Note: Haven't written for a long time, today I wrote a copy of the article in the company intranet, out of the show, just turned to web development, so began to learn javascript! Before introducing namespaces, a problem for developers is how to

The method for loading images in javascript sequence and loading in javascript Sequence This example describes how to load images sequentially in javascript. Share it with you for your reference. The details are as follows: Javascript listens to

For the inheritance of classes in javascript, refer to Ruan Yifeng's Blog "design idea of Javascript Inheritance Mechanism. I. Problems Encountered in javascript instantiation: The following describes how to use the example in javascript advanced

This article mainly introduces the scope and context of Javascript. this article describes the scope VS context, variable scope, "this" context, execution context (ExecutionContext), and scope chain, for more information, see Overview The

Prototype and prototype in JavaScript 1. prototype There is no class concept in JavaScript, but JavaScript can indeed implement overload, polymorphism, and inheritance. In fact, these methods can be explained by reference in JavaScript and

Objects in javascript can be created in the following ways: (1) Use built-in objects (2) Use the JSON symbol (3) custom object construction 1. Use built-in objectsThe built-in objects available in javascript can be divided into two types:1.

Definition In javascript, we can use a built-in class to define a regular expression. var reName = new RegExp("bkjia"); In fact, the RegExp constructor can accept two parameters. In addition to the pattern strings that need to be matched, you can

This article mainly introduces the differences between null and undefined in JavaScript. There are two special values in JavaScript that indicate that the information does not exist: null and undefined. This article mainly describes the differences

This article mainly introduces the scope of this in Javascript. this article uses a large number of examples to explore the scope of this, for more information, see this guy often gets dizzy when using Javascript. For most developers with OOP

This article mainly introduces the scope and context of Javascript. this article describes the scope VS context, variable scope, "this" context, execution context (ExecutionContext), and scope chain, for more information, see Overview The

deep understanding of properties and features in JavaScriptThe properties and attributes in JavaScript are two completely different concepts, and i'll take a closer look at the properties and features in javascript, based on what I've Learned.　The