Handlebar

{{def 'fifteenYear' (math birthYear '+' 15)}}
{{#ifb (or
          (and
            (compare (math fifteenYear '%' 4) '==' 0)
            (compare (math fifteenYear '%' 100) '!=' 0)
          )
          (compare (math fifteenYear '%' 400) '==' 0)
       )
}}
Your fifteenth anniversary was in a leap year!
{{else}}
Your fifteenth anniversary was in a non-leap year!
{{/ifb}}







https://github.com/beryx/handlebars-java-helpers







birthYear: 1997

http://handlebars-java-helpers.beryx.org/releases/latest/