分配使用with語句

Question

下工作的初始值：

var Person = {}; 
Person.FirstName = ''; 
Person.LastName = ''; 
with (Person) { 
    FirstName = 'Phillip', 
    LastName = 'Senn'; 
} 
log(Person); 

但我想刪除線2-3。

Answer 1

什麼：

var Person = {FirstName:'Philip', LastName:'Senn'}; 
log(Person);