new Boolean()	→		false
new Boolean(0)	→		false
new Boolean(-0)	→		false
new Boolean(null)	→		false
new Boolean(false)	→		false
new Boolean(NaN)	→		false
new Boolean(undefined)	→		false
new Boolean("")	→		false
new Boolean(1)	→		true
new Boolean(true)	→		true
new Boolean("false")	→		true