let newObj = {
    total:  65,
    increment: 1
}

const incrementTotal = function(obj, val){
    obj.increment = val;
    return function(){
        console.log(obj.total);
        obj.total = obj.total + obj.increment;
        console.log(obj.total);

    };
};
const incBy1 = incrementTotal(newObj, 1);
const incBy2 = incrementTotal(newObj, 2);
//  will be incremented by 10 
const incBy10 = incrementTotal(newObj, 10);