Run results for: await delay vs setTimeout

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0

Browser: Firefox 57

Operating system: Ubuntu

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
delayA	42550.0 Ops/sec
delayT	40266.6 Ops/sec
setTimeout	69871.4 Ops/sec

Script Preparation code:

const delayA = time => new Promise(res=>setTimeout(res,time));
const delayT = (func, wait) => {
    var args = slice.call(arguments, 2);
    return setTimeout(function(){
      return func.apply(null, args);
    }, wait);
  };
var test = function(){
  return;
}

Tests:

delayA
(async function(){ await delayA(0); test(); })();
delayT
(async function(){ delayT(test,0); })();
setTimeout
(async function(){ setTimeout(test,0); })();