Trivial <blink> in jQuery v2

var blinkState = 0;
function doBlink(timeout) {
  if(blinkState == 1) {
    $("blink").css({'visibility': 'hidden'});
    blinkState = 0;
  } else {
    $("blink").css({'visibility': 'visible'});
    blinkState = 1;
  }
  setTimeout("doBlink("+timeout+");", timeout);
}
doBlink(1000);
// <blink> functionality using jQuery and Javascript