SOURCE

function aaa(prop) {
    return function () {
        var a = 1
        console.log(a)
        a = 88
        return function () { }
    }
}


var aa = aaa()

var a = function () { return aa() }
var b = function () { return aa() }
var c = function () { return aa() }



a()//1
b()//1
c()//1
a()//88