Run results for: json stringify vs array join

Run details:

User agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.836.0 Safari/535.1

Browser: Chrome 14

Operating system: Windows 8

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
join	520058.1 Ops/sec
JSON.stringify	505776.5 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:

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

Run results for: json stringify vs array join

join

JSON.stringify