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Run results for:
Speed Test: substring vs substr vs slice
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=606445" width="100%" height="500px"></iframe>
Run details:
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
Browser:
Chrome 136
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
slice
173.5M/s
substr
161.4M/s
substring
159.8M/s
View exact numbers
Test name
Executions per second
✓
slice
173,466,800 Ops/sec
substr
161,416,480 Ops/sec
substring
159,826,432 Ops/sec
Script Preparation code:
var string = "I am the god of hellfire, and I bring you..."
Tests:
slice
var substring = string.slice(0, 25);
substring
var substring = string.substring(0, 25);
substr
var substring = string.substr(0, 25);