a58d4705
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/**
* Created by vitaliy on 21.09.15.
* Аксессоры и атрибуты свойств
* ES5
*/
var person = {
name:"Vitaliy",
_age:20,
get age(){
return this._age;
},
set age (value){
this._age = value<0 ? 0 : value > 130 ? 130 : value;
}
};
console.log(person.age);
person.age = 150;
console.log(person.age);
console.log(Object.getOwnPropertyDescriptor(person, "name"));
console.log(Object.getOwnPropertyDescriptor(person, "age"));
Object.defineProperty(person,"gender",{
value: "male",
writable: false,
enumerable: false,
configurable: false
});
console.log(Object.getOwnPropertyDescriptor(person, "gender"));
console.log(person);
person.gender = "female";
console.log(person.gender);
for(property in person){
console.log(property);
}
console.log(Object.keys(person));
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