function keysWithCoercion(obj) {
     if(obj && obj.valueOf) {
       obj = obj.valueOf();
     }
     return object.keys(obj);
   }
function keysWithCoercion(obj) {
     if(obj && obj.valueOf) {
       obj = obj.valueOf();
     }
     return object.keys(obj);
   }
function keysWithCoercion ( obj ) { if ( obj && obj . valueOf ) { obj = obj . valueOf ( ) ; } return object . keys ( obj ) ; }
*
Object module
Enumerable methods on objects

*
* Object module Enumerable methods on objects