I'm trying to check the type of a variable. like below

var a  = {a : '1'}
console.log(Object.getPrototypeOf(a));

var b  = [1,2,3]
console.log(Object.getPrototypeOf(b));

output in MDN playground

> Object {  }
> Array []

Now, I need to get boolean value based on the type.
for,
Object -> true
Array -> false
by using some kind of if conditions or any.

How to get boolean value if the type of variable is object or array ?

I'm mainly looking for somecondition which checks for object type like [3, 3] instanceof Array ==> true checks for array