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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=584346" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
substr
1552.6M/s
substring
1412.7M/s
slice
1394.1M/s
split
10.6M/s
View exact numbers
Test name
Executions per second
✓
substr
1,552,633,472 Ops/sec
substring
1,412,674,688 Ops/sec
slice
1,394,082,304 Ops/sec
split
10,565,905 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];