javascript - .toLocaleString in Nashorn engine -


i've got test code snippet:

scriptengine engine = new scriptenginemanager().getenginebyname("nashorn"); object o = engine.eval("var = 1000; i.tolocalestring('de-de', { style: 'currency', currency: 'eur' });"); system.out.println(o);

when start test, result :

1000

so, be, nashorn can't execute .tolocalestring() function? or must work run? i've searched in google, didn't find answer ...

looking @ source code seems doesn't support tolocalestring function. when call function nashorn redirects call on jdk.nashorn.internal.objects.nativenumber.tolocalestring(object). method transform input object (that number) in string representation. here code:

public static string tolocalestring(object self) {   return jstype.tostring(getnumbervalue(self)); }

this version i've looked at:

c:...\java\bin>jjs -version

nashorn 1.8.0_121


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