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Custom Event vs Callback speed test
(version: 1)
Comparing performance of:
Custom Event vs Callback
Created:
one year ago
by:
Guest
Go to the latest result
Tests:
Custom Event
let i = 1001; function cb() { console.log('hi') } document.addEventListener('custom:test', cb); while (--i) { window.dispatchEvent(new CustomEvent('custom:test')); }
Callback
function cb() { console.log('hi') } let i = 1001; while (--i) { cb(); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Custom Event
Callback
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36 Edg/136.0.0.0
Browser/OS:
Chrome 136 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=608285" width="100%" height="500px"></iframe>
Custom Event
3K/s
Callback
265/s
View exact numbers
Test name
Executions per second
✓
Custom Event
2,990 Ops/sec
Callback
265 Ops/sec
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Custom Event vs Callback (with actual call)
Custom Event vs Callback speed test 2
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