null >= 0   // true
null <= 0   // true
null == 0   // false
null != 0   // true
null > 0   // false
null < 0   // false

> Array.from(undefined)
< VM528:1 Uncaught TypeError: undefined is not iterable (cannot read property Symbol(Symbol.iterator))
    at Function.from (<anonymous>)
    at <anonymous>:1:7
(anonymous) @ VM528:1


> Array.from(null)
< VM596:1 Uncaught TypeError: object null is not iterable (cannot read property Symbol(Symbol.iterator))
    at Function.from (<anonymous>)
    at <anonymous>:1:7
(anonymous) @ VM596:1


> Array.from(NaN)
< []