function lookProperty(obj){
var ob=eval(obj);
var property="";
for(var p in ob){
property+=p+"\n";
}
alert(property);
}
function lookProperty(obj){
var ob=eval(obj);
var property="";
for(var p in ob){
property+=p+"\n";
}
alert(property);
}
转载于:https://www.cnblogs.com/Andy-Li/p/5913360.html