Run results for: json stringify vs array tostring2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36

Browser: Chrome 78

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
toString	165.8 Ops/sec
JSON.stringify	138.6 Ops/sec

Script Preparation code:

function moreData(n) {
  var arr = [];
  for (var i=0; i<n; i++) {
    arr.push({
      "key": Math.floor(Math.random() * 256), 
      "other": Math.floor(Math.random() * 512)
    });
  }
  return arr;
}
function makeTestData() { return moreData(10000); }

Tests:

toString
makeTestData().toString()
JSON.stringify
JSON.stringify(makeTestData());

Run results for: json stringify vs array tostring2

toString

JSON.stringify