filter vs reduce

JavaScript performance comparison

Test case created by Jonas Myrenås

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  let arr = []
  
  for(let x of Array(10000)){
    arr.push({
    x: Math.floor(Math.random() * 2),
    y: Math.floor(Math.random() * 2)
  })
  }
  
  

};
</script>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
filter
const length = arr.filter((obj) => { return (obj.x===1 || obj.y===1)}).length;
pending…
reduce
const length = arr.reduce((acc, val) => { return acc + ((val.x===1 || val.y === 1) ? 1:0)}, 0);
pending…

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