Benchmark: Check empty an array in JavaScript?

Script Preparation code:

var size = 10000;
var arr1 = [];
for (var i = 0; i < size; i++){
  arr1.push(i);
}

Tests:

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36

Browser/OS: Chrome 81 on Windows

Check empty an array in JavaScript? (version: 0)