Run results for: JSON.stringify vs template-literals vs array tostring

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0

Browser: Firefox 91

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
toString	1788446.0 Ops/sec
JSON.stringify	837704.2 Ops/sec
template-literals	490794.3 Ops/sec

Script Preparation code:

function moreData(arr, left) {
  if(left === 0) return arr;
  else {
    arr.push(Math.floor(Math.random() * 256));
  	return moreData(arr, left - 1);
  }
}
function makeTestData() { return moreData([], 4); }

Tests:

toString
makeTestData().toString()
JSON.stringify
JSON.stringify(makeTestData());
template-literals
(`${makeTestData()}`);

Run results for: JSON.stringify vs template-literals vs array tostring

toString

JSON.stringify

template-literals