<script>
var Product = kendo.data.Model.define({
    fields: {
        name: { type: "string" },
        price: { type: "number" }
    }
});

var product = new Product({ name: "Laptop", price: 999 });

// Bind to the change event
product.bind("change", function(e) {
    /* The result can be observed in the DevTools(F12) console of the browser. */
    console.log("Field '" + e.field + "' changed to: " + e.value);
});

product.set("name", "Gaming Laptop"); // triggers change event
product.set("price", 1299); // triggers change event
</script>