Run results for: json stringify vs array tostring vs type coercion

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36

Browser: Chrome 146

Operating system: Linux

Device Platform: Desktop

Date tested: 4 months ago

JSON.stringify

2.4M/s

type coercion

2.4M/s

toString

2.3M/s

View exact numbers

Test name	Executions per second
✓ JSON.stringify	2,446,893 Ops/sec
type coercion	2,442,027 Ops/sec
toString	2,302,243 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());
type coercion
makeTestData() + ''