<script>
var obj = {
"a":"nihoa", //和这样写法的区别
b:"wobuhoa", //注意这样的写法
"c":"lalala"
}
var arr = ['a',"b",3,4,5]
var zzz = arr[1];
console.log(zzz); //取到b
console.log(obj.zzz); //这样取到lalala
console.log(obj[zzz]) //正确取到wobuhoa
console.log(obj["a"]) //正确取到nihoa
console.log("___________________________________________")
console.log(obj.a); //nihoa
console.log(obj.b); //wobuhoa
console.log(obj.c); //lalala
</script>
