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Run results for:
Performance Test: substring vs substr vs slice vs split
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<iframe src="https://measurethat.net/Embed?id=614027" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
slice
474.1M/s
substring
446.0M/s
substr
67.5M/s
split
16.6M/s
View exact numbers
Test name
Executions per second
✓
slice
474,132,768 Ops/sec
substring
446,033,984 Ops/sec
substr
67,477,856 Ops/sec
split
16,625,443 Ops/sec
Script Preparation code:
var string = "I am the god of hellfire, and I bring you..."
Tests:
slice
var substring = string.slice(17, 25);
substring
var substring = string.substring(17, 25);
substr
var substring = string.substr(17, 25);
split
var substring = string.split(',')[1];