PASS Invalid key - true 
PASS Invalid key - false 
PASS Invalid key - null 
PASS Invalid key - NaN 
PASS Invalid key - undefined 
PASS Invalid key - undefined2 
PASS Invalid key - function() {} 
PASS Invalid key - {} 
PASS Invalid key - { obj: 1 } 
PASS Invalid key - Math 
PASS Invalid key - window 
PASS Invalid key - {length:0,constructor:Array} 
PASS Invalid key - Array clone’s instance 
PASS Invalid key - Array (object) 
PASS Invalid key - String (object) 
PASS Invalid key - new String() 
PASS Invalid key - new Number() 
PASS Invalid key - new Boolean() 
PASS Invalid key - [{}] 
PASS Invalid key - [[], [], [], [[ Date ]]] 
PASS Invalid key - [undefined] 
PASS Invalid key - [,1] 
PASS Invalid key - document.getElementsByTagName("script") 
PASS Invalid key - new Date(NaN) 
PASS Invalid key - new Date(Infinity) 
PASS Invalid key - /foo/ 
PASS Invalid key - new RegExp() 
PASS Invalid key - sparse array 
PASS Invalid key - sparse array 2 
PASS Invalid key - [[1], [3], [7], [[ sparse array ]]] 
PASS Invalid key - [1,2,3,,] 
PASS Invalid key - array directly contains self 
PASS Invalid key - array indirectly contains self 
PASS Invalid key - array member contains self