列出所有的属性键 

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4   <meta charset="utf-8">
 5   <meta name="viewport" content="width=device-width">
 6   <title>列出所有的属性键</title>
 7 </head>
 8 <body>
 9 
10 </body>
11 </html>
 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);

 

posted @ 2018-10-16 19:08  johnhery  阅读(224)  评论(0)  编辑  收藏  举报