Run results for: Time to create simple promises

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0

Browser: Firefox 62

Operating system: Windows 7

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
One promise	5278.5 Ops/sec
two promise	4371.4 Ops/sec
zero promise	6029.1 Ops/sec
shorter	6036.7 Ops/sec

Tests:

One promise
console.log(test()); async function test(){ let param = 'test'; const result = await doSomething(param); return result; } async function doSomething(p) { const result1 = p; const result2 = p + 'a'; const result3 = p + 'b'; const result4 = p + 'c'; const result5 = p + 'd'; return new Promise(function(resolve, reject) { resolve([result1, result2, result3, result4, result5]); }); }
two promise
console.log(test()); async function test(){ let param = 'test'; const result = await doSomething(param); return result; } async function doSomething(p) { const result1 = await doSomethingElse(p); const result2 = await doSomethingElse(p, 'a'); const result3 = await doSomethingElse(p, 'b'); const result4 = await doSomethingElse(p, 'c'); const result5 = await doSomethingElse(p, 'd'); return new Promise(function (resolve, reject) { resolve([result1, result2, result3, result4, result5]); }); async function doSomethingElse(p, p2 = '') { const result = p + p2; return new Promise(function (resolve, reject) { resolve(result); }); } }
zero promise
console.log(test()); function test(){ let param = 'test'; const result = doSomething(param); return result; } function doSomething(p) { const result1 = p; const result2 = p + 'a'; const result3 = p + 'b'; const result4 = p + 'c'; const result5 = p + 'd'; return [result1, result2, result3, result4, result5]; }
shorter
console.log(test()); function test(){ return doSomething('test'); } function doSomething(p) { return [p, p + 'a', p + 'b', p + 'c', p + 'd']; }

Run results for: Time to create simple promises

One promise

two promise

zero promise

shorter