Run results for: json stringify vs array join (string)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:150.0) Gecko/20100101 Firefox/150.0

Browser: Firefox 150

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 5 days ago

Test name	Executions per second
join	7244341.0 Ops/sec
JSON.stringify	3756438.0 Ops/sec

Script Preparation code:

function moreData(arr, left) {
  if(left === 0) return arr;
  else {
    arr.push("Lorem ipsum dolor sit amet, consectetur adipiscing");
  	return moreData(arr, left - 1);
  }
}
function makeTestData() { return moreData([], 4); }

Tests:

join
makeTestData().join('-')
JSON.stringify
JSON.stringify(makeTestData());

Run results for: json stringify vs array join (string)

join

JSON.stringify