var ob={
name:'name',array:["1","2"],age:1
};
ob.array2=function () {
for(var i=0;i<this.array.length;i++)
{
document.writeln(this.array[i]);
}
}
ob.array2()
var a;
for(a in ob)
{
console.log(ob[a])
}
for in 用于取出对象所有的属性和方法
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