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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=588448" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 133
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
substr
44.1M/s
slice
43.3M/s
substring
41.2M/s
split
9.4M/s
View exact numbers
Test name
Executions per second
✓
substr
44,114,584 Ops/sec
slice
43,323,816 Ops/sec
substring
41,237,968 Ops/sec
split
9,399,640 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];