Cacher is the code snippet organizer for pro developers

var looping = function(n) {
    var a = 0, b = 1, f = 1;
    for(var i = 2; i <= n; i++) {
        f = a + b;
        a = b;
        b = f;
    }
    return f;
};

//https://www.thepolyglotdeveloper.com/2015/01/fibonacci-sequence-printed-javascript/