よくあるifの分岐コード

var A = 1, B = 2, C = 3;
var t = Date.now() % 3;

if(t === A) { console.log('t is A'); }
else if(t === B) { console.log('t is B'); }
else if(t === C) { console.log('t is C'); }
else { console.log('t is NaN'); }

というようなコードをよく使うが

var A = 1, B = 2, C = 3;
var t = Date.now() % 3;

(t === A)? console.log('t is A') :
(t === B)? console.log('t is B') :
(t === C)? console.log('t is C') : console.log('t is NaN');

こちらの方が綺麗に見える。速度はどれくらい違うのだろう。