javascript面向对象编程(一) 实例代码

<script type="text/javascript"> 
var test = { 
numA: 10, 
objB: {}, 
arrC: [], 
init: function(){ 
alert(this.numA); 
}, 
sayHi: function(name){ 
alert("hello " + name); 
}, 
sayHelloWorld: function(){ 
this.sayHi("world"); 
}, 
get: function(){ 
var self = this; 
this.objB.alertNumA = function(){ 
alert(self.numA); 
} 
} 
}; 
var TestFunc = function(){ 
alert("i'm testFunc"); 
}; 
TestFunc.prototype = { 
extFunc: function(){ 
alert("this extend function's numB is " + this.numB); 
}, 
numB: 10 
}; 
test.init(); 
test.sayHi("qingming"); 
test.sayHelloWorld(); 
test.get(); 
test.objB.alertNumA(); 
var testFunc = new TestFunc(); 
testFunc.extFunc(); 
</script>