Run results for: Validate performance of JWT string validation by decoding vs basic string match

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
decodeAndTest()	838968.5 Ops/sec
testWithoutDecoding()	6376680.5 Ops/sec

Script Preparation code:

var token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiY3VzdG9tZXJfaWQiOiJqb2huZG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.ScbjLEXxqzZQ9JEw5yQu2MLlGsLhHzMlg7aZHZnH4Ro";

function decodeAndTest() {
    return "customer_id" in JSON.parse(atob(token.split(".")[1]));
}

var encodedCustId = "Y3VzdG9tZXJfaWQ=";

function testWithoutDecoding() {
  return token.indexOf(encodedCustId) >= 0;
}

Tests:

decodeAndTest()
decodeAndTest()
testWithoutDecoding()
testWithoutDecoding()