浅谈 javascript 对象的沿袭方法
日期：2014-05-16 浏览次数：20346 次
浅谈 javascript 对象的继承方法
[size=large]1.对象冒充
function Father(name) {
this.name = name;
this.sayName = function() {
alert(this.name);
}
}
function Child(name,age) {
this.method=Father;
this.method(name);
delete this.method;
this.age = age;
this.sayAge = function() {
alert(this.age);
}
}
2.用call方法实现
function Father(name) {
this.name = name;
this.getName =function () {
return this.name;
}
}
function Child(name,password) {
Father.call(this,name);
this.password = password;
this.getPassword=function() {
return this.password;
}
}
3.使用原型链方式
function Father() {
}
Father.prototype.name = "zhangsan";
Father.prototype.getName=function() {
return this.name;
}
function Child() {
}
Child.prototype = new Father();
Child.prototype.password = "134";
Child.prototype.getPassword=function() {
return this.password;
}[/size]
[size=large]1.对象冒充
function Father(name) {
this.name = name;
this.sayName = function() {
alert(this.name);
}
}
function Child(name,age) {
this.method=Father;
this.method(name);
delete this.method;
this.age = age;
this.sayAge = function() {
alert(this.age);
}
}
2.用call方法实现
function Father(name) {
this.name = name;
this.getName =function () {
return this.name;
}
}
function Child(name,password) {
Father.call(this,name);
this.password = password;
this.getPassword=function() {
return this.password;
}
}
3.使用原型链方式
function Father() {
}
Father.prototype.name = "zhangsan";
Father.prototype.getName=function() {
return this.name;
}
function Child() {
}
Child.prototype = new Father();
Child.prototype.password = "134";
Child.prototype.getPassword=function() {
return this.password;
}[/size]
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