Run results for: Array fill vs for i loop

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.2

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
for	1676.2 Ops/sec
fill and foreach	302291.3 Ops/sec

Script Preparation code:

var iterations = 10000;
var arrayTest = new Array(iterations);

Tests:

for
for (i = 0; i < iterations; i++) { arrayTest[i] = 0 }
fill and foreach
arrayTest.fill(0)

Run results for: Array fill vs for i loop

People tend to use array fil and then foreach, we know foreach is faster than a for loop, but is it also faster if you use array fill first?

for

fill and foreach