AuraLocales
Locales <aura:application extends="force:slds"> {!$Locale.language}<br/> {!$Locale.timezone}<br/> {!$Locale.numberFormat}<br/> {!$Locale.currencyFormat}<br/> </aura:application> ({ checkDevice: function(component) { var locale = $A.get("$Locale.language"); alert("You are using " + locale); } }) O/p en America/Los_Angeles #,##0.### ¤#,##0.00;(¤#,##0.00)