//1. 初始化
var b = new Boolean(1);//true
console.log(b);
b = new Boolean(true);
console.log(b); //true
b = new Boolean("false");
console.log(b); //true
//2.
b = new Boolean(true);
var t = typeof(b);
console.log(t); //object
t = typeof(true);
console.log(t); //boolean
b = Boolean(123);
console.log(typeof(b)); //boolean
b = new Boolean(false);
console.log(b); //false
b = new Boolean(b);
console.log(b); //true