can anyone know how to add a span tag around a input tag

can anyone know how to add a span tag around a input tag

can anyone know how to add a span tag around a input tag

$(document).ready(function() {
   $('input[type="submit"]').each(function() {

        $(this).before('<span class="box1"><span>');
        $(this).after('</span></span>');

          });
});

the above cord is not working properly..