Stacktrace capture performance penalty

Benchmark created on January 8, 2026

Setup

function normal() {
	return "no stacktrace";
}

function capture() {
	let obj = Object.create(null);
	Error.captureStackTrace(obj);
	return obj.stack;
}

function err() {
	return (new Error).stack;
}

Test runner

let result = normal();

let result = capture();

let result = err();

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published on January 8, 2026