Run results for: The performance cost of try catch

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

try catch

39.6M/s

plain

38.5M/s

View exact numbers

Test name	Executions per second
✓ try catch	39,640,800 Ops/sec
plain	38,541,828 Ops/sec

Script Preparation code:

var a = 0
function f () {
  a += 0.01
  if (a < 0) {
    throw new Error()
  }
}

Tests: