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Run results for:
Speed Test: substring vs substr vs slice
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<iframe src="https://measurethat.net/Embed?id=606774" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
slice
132537216.0 Ops/sec
substring
132017464.0 Ops/sec
substr
130137344.0 Ops/sec
Script Preparation code:
var string = "I am the god of hellfire, and I bring you..."
Tests:
slice
var substring = string.slice(0, 25);
substring
var substring = string.substring(0, 25);
substr
var substring = string.substr(0, 25);