1 myFunction();  
2 function myFunction(){  
3     var person={fname:"Bill",lname:"Gates",age:56};   
4     for(var i in person){  
5         console.log(i)          //获得对象中键值对的“键”  
6         console.log(person[i])  //获得对象中键值对的“值”  
7     }  
8 }