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Methods
getBrowserLanguage(fallbackLanguageopt, nullable) → {String|null}
Evaluates all available browser languages and tries to return the preferred one.
Since browsers could not agree on a uniform way to return language values yet, the returned language will always be "lowercaselanguage-UPPERCASECOUNTRY" or just "lowercaselanguage", if we have no country.
Parameters:
| Name | Type | Attributes | Default | Description | 
|---|---|---|---|---|
fallbackLanguage | 
            
            String | 
                
                    <optional> <nullable>  | 
            
            
                null | fallback value to return if no language could be evaluated  | 
        
- Source:
 - See:
 
Returns:
    the preferred browser language if available, null if no language can be detected and no fallback has been defined
- Type
 - String | null
 
Example
getBrowserLanguage()
=> "en"