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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=593671" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/138.0 Firefox/138.0
Browser:
Firefox Mobile 138
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
substr
34.3M/s
slice
33.9M/s
substring
33.7M/s
split
3.0M/s
View exact numbers
Test name
Executions per second
✓
substr
34,267,008 Ops/sec
slice
33,939,348 Ops/sec
substring
33,682,688 Ops/sec
split
3,001,118 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];