Intl.Locale
Input
Output
baseName
"ja-Jpan-JP"
calendar
"japanese"
region
"JP"
script
"Jpan"
caseFirst
"upper"
collation
"No value"
hourCycle
"h12"
language
"ja"
numberingSystem
"No value"
numeric
false
"ja-Jpan-JP"
"japanese"
"JP"
"Jpan"
"upper"
"No value"
"h12"
"ja"
"No value"
false