javascript mindmap

The word "polymorphic" originates from the Greek polymorphism, which is poly (plural) + morph (form) + ism, which is literally understood to be plural form.The actual meaning of polymorphism is that the same operation acts on different objects and can produce different interpretations and different execution results. In other words, when sending the same message to different objects, these objects give different feedback based on the message.It's not easy to literally understand polymorphism, le

Personal Summary: Reading this article takes 15 minutes, the article mainly explains the working principle of Babel and typescript, (such as the conversion of ES6 class, is to convert the original ES6 code to ES5 code, 这些代码中包含着类似于 _classCallCheck 和 _createClass这样的函数，而这些函数已经 pre-defined in the standard libraries of Babel and typescript, and then processed). By the way object.create this method, such as having a obj:{name: ' Is Ho ', f:function () {alert (1)}}var a = object.create (obj)At this poi

This article summarizes some methods I have found in JavaScript programming to improve the JavaScript running performance. In fact, these experiences are based on several principles and loops are a very common control structure, most of the things depend on it. in JavaScript, we can use three loops: for (;), while (), and for (in). in fact, in these three loops,

1. Keep it non-invasive and mark the JavaScript code You Don't Want To Know; 2. prohibit modification and extension of Object. prototype !; 3. the fewer extensions of JavaScript built-in objects, the better. 4. follow the standard; 5. or follow the lead; 6. flexible; 7. memory Management; 8. eliminate browser sniffing; 9. smaller and better ...... 1. Keep non-invasiveMy HTML tag does not want to know your

The following are the most common methods for creating objects in javascript. After reading this information, a beginner may feel dizzy or even worried. In fact, there is no need to worry about these methods. You only need to master one or two methods. You only need to understand the other methods. Preface: With the rise of web 2.0 (Ajax technology is the most representative), javascript is no longer a "To

I recently wrote a JavaScript framework and found that many of the details are not enough. So I began to focus on some tips for JavaScript to improve efficiency. I would like to share with you here, if you are interested, you can refer to the recently written JavaScript framework and find that many details are not enough to pay attention to. You are worried that

I have been writing JavaScript code for a long time, and I cannot remember the beginning of my time. This article will share with you the seven tips of javascript (2). If you are interested in the knowledge of javascript skills, let's take a look. The last article will introduce you to the seven tips of JavaScript (2 )

How to determine whether a Javascript Object exists in a simple example, javascript Object The Javascript language is not strictly designed, and errors may occur in many places when you are not careful. For example, consider the following situations. Now, we need to determine whether a global object myObj exists. If it does not exist, declare it. The algorithm de

Analysis of Javascript anonymous and self-executed functions, analysis of javascript Functions are the most flexible objects in JavaScript. Here we will only explain the usage of anonymous functions. Anonymous function: A function without a function name. Function definition can be roughly divided into three methods: First: this is also the most common one. funct

A comprehensive collection of common JavaScript Functions and a collection of javascript Functions This article mainly summarizes common JavaScript functions, such as some common JavaScript objects, basic data structures, function functions, and some common design patterns. Directory: As we all know,

Third, JavaScript Program Composition The basic structure of the scripting language is to implement programming by control statements, functions, objects, methods, attributes, and so on. I. Program Control Flow In any language, the control flow of a program is required. It can reduce the entire program and make it run smoothly in a certain way. The following are the control flow structures and statements commonly used in

JavaScript revelation, javascript revelation pdfI recently read the JavaScript revelation, a thin but informative book. Demonstrate an accurate JavaScript world view, involving objects, attributes, complex values, original values, scopes, inheritance, this keywords, head objects, and other important concepts.1.

Are you still writing JavaScript code with no purpose? Then you are OUT! Let's take a look at the top ten key habits that JavaScript developers collect for everyone. With the continuous development of new technologies, JavaScript is no longer just a network language. Now we can see a lot of mobile phones that use JavaScript