Thank you! I realised it using array, which I transferred in JS, like that: subcategoryArr = '[' for row in rows: subcategoryArr += '[' + str(row.id) + ',' + str(row.ID_CATEGORY) + '],' subcategoryArr = subcategoryArr[0:-1]+']' where row.id is ID of my subcategory. And JS: $(function() { for (var k = 0; k < $("#recipes_ID_SUBCATEGORY")[0].childNodes.length; k++) { $($("#recipes_ID_SUBCATEGORY")[0].childNodes[k]).css('display', 'none'); } for (var i = 0; i < subcategory.length; i++) { if (subcategory[i][1]==$("#category").val()) { for (var k = 0; k < $("#recipes_ID_SUBCATEGORY")[0].childNodes.length; k++) { if ($($("#recipes_ID_SUBCATEGORY")[0].childNodes[k]).val() == subcategory[i ][0]) { $($("#recipes_ID_SUBCATEGORY")[0].childNodes[k]).css('display', 'block'); } } } } $("#category").on("change", function(){ //hide all for (var k = 0; k < $("#recipes_ID_SUBCATEGORY")[0].childNodes.length; k++) { $($("#recipes_ID_SUBCATEGORY")[0].childNodes[k]).css('display', 'none'); } for (var i = 0; i < subcategory.length; i++) { if (subcategory[i][1]==$("#category").val()) { for (var k = 0; k < $("#recipes_ID_SUBCATEGORY")[0].childNodes.length; k++) { if ($($("#recipes_ID_SUBCATEGORY")[0].childNodes[k]).val() == subcategory[i ][0]) { $($("#recipes_ID_SUBCATEGORY")[0].childNodes[k]).css('display', 'block'); } } } } }); });
-- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/web2py/da829943-f71e-44fa-b3fb-0a23bf326c9e%40googlegroups.com.