编辑代码

function demo(){
    this.count=0
    return{
        reset:function(){
            count=1
            return count
        },
        value:function(){
            count++
            return count
        }
    }
}

var foo = demo().value
a = foo()
b = foo()
c = foo()
console.log(a,b,c) 

var fo=demo()
var d = fo.reset()
console.log(d)