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Run results for:
Intl.NumberFormat vs toLocalString vs cached Intl.NumberFormat
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<iframe src="https://measurethat.net/Embed?id=582386" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Browser:
Chrome 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
toLocalString
41.2M/s
Intl.NumberFormat With cached formatter
3.9M/s
Intl.NumberFormat
85K/s
View exact numbers
Test name
Executions per second
✓
toLocalString
41,199,636 Ops/sec
Intl.NumberFormat With cached formatter
3,908,944 Ops/sec
Intl.NumberFormat
84,591 Ops/sec
Script Preparation code:
var formatter = new Intl.NumberFormat("en-US");
Tests:
Intl.NumberFormat
var a = new Intl.NumberFormat("en-US").format("10000");
toLocalString
var a = "10000".toLocaleString("en-US");
Intl.NumberFormat With cached formatter
var a = formatter.format("10000");