JS get and set use example _ basic knowledge-js tutorial

The clever use of get and set can directly operate on object attributes for reading and writing, which can greatly improve programming efficiency. The following is a good example. You can refer to the clever use of get and set, the ability to directly perform read/write operations on Object Attributes can greatly improve programming efficiency. A typical example is provided:

The Code is as follows:

Var test = {
_ Name: null,
_ Age: 0,

// _ Name read/write
Set name (name) {this. _ Name = name ;},
Get name () {return this. _ Name ;},
// _ Age read/write
Set age (age) {this. _ Age = age ;},
Get age () {return this. _ Age ;}
}

Alert (test. name + "" + test. age); // bull 0
Test. name = 'Lucy ';
Test. age = 20;
Alert (test. name + "" + test. age); // lucy 20