JavaScript中的多个和单个数组名称

Question

I'm very confused by the behavior of this code in Chrome 59.0.3071.115:

var names = ["Cat 1", "Cat 2"];
console.log(names);

Prints an array object, but

var name = ["Cat 1", "Cat 2"];
console.log(name);

Prints the string "Cat 1, Cat 2" .

Why is this happening?

Answer 1

name is a predefined getter/setter property of the window object , and will always be a string data type. So when you assign to it, you are not assigning to a variable, but using a setter, which will convert the given value to a string.