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Run results for:
bool check
check bool type check variante
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
typeof
12.1M/s
Check strict equal of possibilities
11.7M/s
convert bool using double not
7.5M/s
convert bool using Boolean
3.7M/s
View exact numbers
Test name
Executions per second
✓
typeof
12,071,184 Ops/sec
Check strict equal of possibilities
11,686,872 Ops/sec
convert bool using double not
7,527,145 Ops/sec
convert bool using Boolean
3,694,200 Ops/sec
Script Preparation code:
var b = true;
Tests:
Check strict equal of possibilities
b === true || b === false
typeof
typeof b === 'boolean'
convert bool using double not
!!b === b
convert bool using Boolean
Boolean(b) === b