AJAX helper for categorising credit card transactions, from my personal finance mini-hackathon http://ollieglass.com/2013/01/30/personal-finance-mini-hackathon

AJAX helper for categorising credit card transactions.js

    var setCategory = function(transactionId, categoryId) {
        $.ajax({
            type: "GET",
            url: "/transaction/",
            data: { 
                transactionId: transactionId,
                categoryId: categoryId
            }
        }).done(function( msg ) {
            console.log(msg);
        });
    };

    $(function() {
        $("select").change(function() {
            var transactionId = $(this).data('value');
            var categoryId = $(this).val();

            if(categoryId == -1) return;

            setCategory(transactionId, categoryId);
        });
    });