Example Analysis of WeChat Mini Programs in the Development of New Features of ES6

This article mainly shows you the "ES6 new feature development WeChat Mini Programs example analysis", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and study the "ES6 new feature development WeChat Mini Programs example analysis" this article.

Class (class)

Class is one of the most important features introduced by ES6. Before Class, we could only simulate classes through the prototype chain.

Class Definition (definition of class)

A Shape class is defined above, which has a property name and a method move (), as well as a constructor.

Call the Shape class

Class Inheritance (inheritance of classes)

Inherit a class through the keyword extends, and reference the parent class through the super keyword.

Call Rectangle, Circleclass

Getter/Setter

Within Class, you can use the get and set keywords to set a store function and a value function on an attribute to intercept the access behavior of the attribute.

Static Members (static member)

The class is equivalent to the prototype of the instance, and all methods defined in the class are inherited by the instance. If you add the static keyword before a method, it means that the method will not be inherited by the instance, but will be called directly through the class. This is called a "static method".

Static properties refer to the properties of the Class itself, namely Class.propname, rather than those defined on the instance object (this)

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