function A() {
this.do1 = function () {
console.log(1);
};
this.do2 = function () {
console.log(2);
};
} var a = new A();
var keys = Object.keys(a);
for(var i=0;i<keys.length;i++){
if(typeof a[keys[i]] ==="function"){
a[keys[i].toUpperCase()] = a[keys[i]];
delete a[keys[i]];
}
} a["DO1"](); //1