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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=615214" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
substr
1731.1M/s
substring
1686.1M/s
slice
1677.8M/s
split
13.2M/s
View exact numbers
Test name
Executions per second
✓
substr
1,731,070,592 Ops/sec
substring
1,686,104,448 Ops/sec
slice
1,677,769,216 Ops/sec
split
13,210,830 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];