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Run results for:
getMiddle: Math.floor vs num % 2
Math.floor(num / 2) vs (num % 2 ? (num - 1) / 2 : num / 2)
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
8 months ago
Test name
Executions per second
getMiddleFloor
58114.9 Ops/sec
getMiddle
51616.7 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
const getMiddleFloor = (num) => Math.floor(num / 2); const getMiddle = (num) => (num % 2 ? (num - 1) / 2 : num / 2); const random = (min, max) => Math.floor(Math.random() * (max - min)) + min; const arr = Array.from({ length: 10000 }, () => random(0, 10000));
Tests:
getMiddleFloor
const result = arr.map(i => getMiddleFloor(i));
getMiddle
const result2 = arr.map(i => getMiddle(i));