compare date jquery mobile

Question

I would to compare tow date using jquery mobile . but it not working :

var date_debut_problem = $("#date_debut_problem").val();
var date_fin_problem = $("#date_fin_problem").val();
if( Date.parse(date_debut_problem) > Date.parse(date_fin_problem) )
{
}

Answer 1

Thanks. it is working by adding <script src="js/date.js"></script>