Run results for: For let vs for var

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Firefox/91.0

Browser: Firefox 91

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
for let	3362078.0 Ops/sec
for var	3411045.0 Ops/sec

Script Preparation code:

function doSomethingWith(i) {
}

AخA
 
function doSomethingWith(i) {}

Tests:

for (let i = 0; i < 500; ++i) {
    doSomethingWith(i);
}

 
for (let i = 0; i < 500; ++i) {    doSomethingWith(i);}

for (var i = 0; i < 500; ++i) {
    doSomethingWith(i);
}

 
for (var i = 0; i < 500; ++i) {    doSomethingWith(i);}