var user={name:“user1”,age:18,getName:function(){
return this.name;
}
}
function User(name,age){
this.name=name;
this.age=age;
this.canFly=false;
}
var use=new User();
function User(age){
this.age=age;
var isChild=age<12;
this.isLittleChild=isChild;
}
var user=new User(15);
alert(user.isLittleChild);//正确的方式
alert(user.isChild);//报错:对象不支持此属性或方法
function User(){ }
User.prototype.name=“user1”;
User.prototype.age=18;
var user=new User();
alert(user.age);
—————————————–
function User(name,age,job){
this.name=“user1”;
this.age=18;
this.job=job;
}
alert(user.age);
function User(){ }
User.MAX_AGE=200;
User.MIN_AGE=0;
alert(User.MAX_AGE);
function User(name){
this.name=name;
this.age=18;
this[1]=“ok”;
this[200]=“year”;
}
var user=new User(“user1”);
alert(user[1]);
function User(name){
this.name=name;
function getNameLength(nameStr){
return nameStr.length;
}
this.nameLength=getNameLength(this.name);
}
function User(name){
this.name=name;
this.getName=getUserName;
this.setName=setUserName;
}
function getUserName(){
return this.name;
}
Function setUserName(name){
this.name=name;
}
function User(name){
this.name=name;
this.getName=function(){
return this.name;
};
this.setName=function(newName){
this.name=newName;
};
}
function User(name){
this.name=name;
}
User.prototype.getName=getUserName;
User.prototype.setName=setUserName();
function getUserName(){
return this.name;
}
Function setUserName(name){
this.name=name;
}
function User(name){
this.name=name;
}
User.prototype.getName=function(){
return this.name;
};
User.prototype.setName=function(newName){
this.name=newName;
};
function User(name){
this.name=name;
}
User.getMaxAge=getUserMaxAge;
function getUserMaxAge(){
return 200;
}
function User(name){
this.name=name;
this.age=18;
}
var user=new User(“user1”);
user.sister=“susan”;
alert(user.sister);//运行通过
delete user.sister;
alert(user.sister);//报错:对象不支持该属性
user.getMotherName=function(){return “mary”;}
alert(user.getMotherName());//运行通过
delete user.getMotherName;
alert(user.getMotherName());//报错:对象不支持该方法
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