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Run results for:
Fastest way to check if object is empty using length 3
You don't need to make add for loops in your test scenarios, the benchmark does it itself.
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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/129.0.0.0 Safari/537.36
Browser:
Chrome 129
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
object.keys()
10078492.0 Ops/sec
JSON.stringify()
8089421.5 Ops/sec
For loop
24614934.0 Ops/sec
Script Preparation code:
var xxx = {}
Tests:
object.keys()
Object.keys(xxx).length === 0
JSON.stringify()
JSON.stringify(xxx) === "{}"
For loop
for (var key in xxx) { return false; }