标签：优先级 xxx col div play 方法 技术 构造 原型
<script>
function Person(){
}
Person.prototype = {
constructor: Person,
name: ‘xxx‘,
age: 22,
sayName: function(){
console.log(this.name);
}
}
var p = new Person();
p.sayName();//‘xxx‘
console.log(p.age);//22
</script>
<script>
function Person(){
this.age = 233;//创建实例时赋给实例的属性
}
Person.prototype = {
constructor: Person,
name: ‘xxx‘,
age: 22,
sayName: function(){
console.log(this.name);
}
}
var p = new Person();
console.log(p.age);//233
p.age = 333;
console.log(p.age);//333
</script>
<script>
function Person(){
this.age = 233;//创建实例时赋给实例的属性
}
Person.prototype = {
constructor: Person,
name: ‘xxx‘,
age: 22,
sayName: function(){
console.log(this.name);
}
}
var p = new Person();
console.log(p.age);//233
p.age = 333;
console.log(p.age);//333
function Student(){
}
Student.prototype = new Person();//继承
var s = new Student();
console.log(s.name);//‘xxx‘
s.name = ‘qqq‘;
console.log(s.name);//‘qqq‘
</script>
标签：优先级 xxx col div play 方法 技术 构造 原型
原文地址：https://www.cnblogs.com/Zxq-zn/p/11609903.html
