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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=616294" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
11 months ago
slice
1645.8M/s
substring
1640.1M/s
substr
1623.9M/s
split
19.7M/s
View exact numbers
Test name
Executions per second
✓
slice
1,645,792,768 Ops/sec
substring
1,640,091,008 Ops/sec
substr
1,623,935,232 Ops/sec
split
19,705,284 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];