Run results for: Array: delete vs null vs undefined vs 0

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var arr = [];
for (let i = 0; i < 1000; i++) {
    arr[i] = { test: 1 };
}

Tests: