Rounding numbers down

Benchmark created by Mathias Bynens on

Preparation HTML

<script>
  var n = Math.PI; // 3.141592653589793
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
Math.floor
Math.floor(n); // 3
ready
parseInt
parseInt(n, 10); // 3
ready
Double bitwise NOT
~~n; // 3
ready
Bitwise OR
n | n; // 3
ready
Bitwise OR with 0
n | 0; // 3
ready
Bitwise left shift
n << 0; // 3
ready
Bitwise AND
n & n; // 3
ready

Revisions

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