retry a function with a given timeout, using requestAnimationFrame

retryRAF.js

function retryRAF (fn, delay) {
  var start = Date.now();
  function loop () {
    if (Date.now() - start < delay) {
      if (window.requestAnimationFrame) {
        window.requestAnimationFrame(loop);
        fn();
      }
    }
  }
  loop();
}


/* usage
function log() {
  console.log('test', new Date());
}

retryRAF(log, 1000);

*/