main.js

$(function() {
	$("button#submit").click(function() {
		$.ajax({
			url: "http://54.148.46.112:5000/keep",
			type: "POST",
			crossDomain:true,
			data: $("form#user").serialize(),
			error: function(message) {
				alert("錯誤發生！" + message);
			},
			success: function(message) {
				alert("感謝填表！");
				$("form#user")[0].reset();
			}
		});
	});
});