deletedurationtest
tests duration time of deleting object's property and array's elements by means of different instruments: delete o[pName]; or Object.defineProperty(o,pName,{enumerable:false}); or o[pName] = undefined; etc.
tests duration time of deleting object's property and array's elements by means of different instruments: delete o[pName]; or Object.defineProperty(o,pName,{enumerable:false}); or o[pName] = undefined; etc.