$(function() { var data = $('#delivery-date').data('delivery-date'); data = JSON.parse(data); $('select').on('change', function() { var val = $(this).val(); var data_length = Object.keys(data).length; for (var k = 1; k < data_length; k++) { if (val == k) { $('#output').html(data[k]); } } }); }); option 1 option 2 option 3 option 4 option 5 option 6 option 7