Benchmark: isNull function vs pure

Script Preparation code:

function isNull(anObj) {
  return anObj == null;
}
var aStr = "asdfljbsflaskdnflkbsadf";

Tests:

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36 Edg/85.0.564.51

Browser/OS: Chrome 85 on Windows

isNull function vs pure (version: 0)