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Intl.Locale

MDN

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Input

Output

baseName

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"ja-Jpan-JP"

calendar

Browser support
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"japanese"

region

Browser support
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"JP"

script

Browser support
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"Jpan"

caseFirst

Browser support
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"upper"

collation

Browser support
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"No value"

hourCycle

Browser support
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"h12"

language

Browser support
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"ja"

numberingSystem

Browser support
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Available in Safari on iOS from version 14 Safari on iOS
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"No value"

numeric

Browser support
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Available in Safari on iOS from version 14 Safari on iOS
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Available in WebView Android from version 74 WebView Android
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Available in Node.js from version 12.0.0 Node.js
false