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Run results for:
constructor comparison vs. instanceof vs Array.isArray 2
Compares the performance of comparing a constructor strictly to a function object, using the instanceof operator and calling Array.isArray
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 YaBrowser/24.7.0.0 Safari/537.36
Browser:
Yandex Browser 24
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
constructor comparison
10247796.0 Ops/sec
instanceof operator
10299846.0 Ops/sec
Array.isArray call
11119899.0 Ops/sec
Script Preparation code:
array = [] ctor = array.conatructor
Tests:
constructor comparison
ctor === Array
instanceof operator
array instanceof Array
Array.isArray call
Array.isArray(array)