1  2  3  4   
      5   
      6    7  8  9 10 11 

1 function getAllpropertyNames(obj){ 2   var result=[]; 3   while(obj){ 4     Array.prototype.push.apply(result,Object.getOwnPropertyNames(obj)); 5 //     obj = Object.getPrototypeOf(obj); 6   } 7   return result; 8 } 9 10 var all = getAllpropertyNames(Array);11 12 console.log(all);