Why is 1===1===1 false?

Question

In a browser console, entering 1===1 evaluates to true. Entering 1===1===1 evaluates to false.

I assume that this

Answer 1

Correct behaviour. Since

1===1 // value is true

but

true===1 // it's false

There are two reasons for this:

1. true is a boolean type where 1 is integer
2. simply, 1 is not equal to true.

so

1===1===1 // false