gistfile1.js

    var model = {}, // empty model object
        list = $("#todo-list"),
        form = $('#new-task-form'),
        addBtn = $("#add"),
        saveBtn = $("#save");

    // link ui to model
    form.link(model);

    // handle onclick
    addBtn.click(function () {
        // clone the data model
        var item = $.extend({}, model)
        // generate template
        $.tmpl("<li>${task}</li>", item).appendTo(list);
    });

    // handle save
    saveBtn.click(function () {
        // pull back the data
        var todos = list.find("li").map(function () {
            return $(this).tmplItem().data;
        }).get();

        // save the object
        $.post("/Home/Save", todos, function () {
            alert("Todos Saved");
        });
    });