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Run results for:
skidadle skidoodle
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
Browser:
Chrome 116
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
без переменной
136.6 Ops/sec
с переменной
735.0 Ops/sec
Script Preparation code:
var arr = Array.from({length: 100000}, () => Math.random() > 0.5 ? "asdasd" : [])
Tests:
без переменной
var xs = arr.map(x => Array.isArray(x))
с переменной
var isArray = Array.isArray var xs = arr.map(x => isArray(x))