JavaScript Object Accessor Properties

　　Object accessors are setters and getter, and their role is to

1. 1. Provides another way to get or set the property value of an object,
   2. And in the acquisition and setting, you can use a certain other operation.

Look at the following code:

<script>var person = {_name: "abc",   //Note here _name has an underscore};object.defineproperty (person, "name", {/// Note that the second argument is not preceded by an underscore, so _name and name are two different properties Set:function (value) {this._name = "new name" + value;   Note here is the assignment to the _name property},get:function () {return "This is name ' Get By Function:" + this._name;  Note that this is the return string plus the value of _name}});//Here, the person has two properties: _name and the name attribute//Get _name Property directly Console.log (Person._name);  abc//gets the value of _name indirectly through the Name property, because the Getter accessor property (method) Console.log (person.name) of the Name property is executed;   This is the name of the Get by function:abc//directly modifying the _name property Person._name = "xyz"; Console.log (person._name);  xyz//modifies the Name property, but the setter accessor property (method) of the Name property acts on the _name property Person.name = "WTF"; The string is prefixed with the new name and then assigned to _nameconsole.log (person._name);  New name Wtfconsole.log (person.name);//this is name get by function:new name wtf</script>

　　

JavaScript Object Accessor Properties