Example usage of change tracking in a complex view model, including a primitive array

example.js

var viewModel = {
    Name: ko.observable("Pete"),
    Age: ko.observable(29),
    Skills: ko.observableArray([
        "TDD", "Knockout", "WebForms"
    }),
    Occupation: ko.observable("Developer")
};
 
applyChangeTracking(viewModel);
 
viewModel.Occupation("Blogger");
viewModel.Skills.push("Change tracking");
viewModel.Skills.remove("WebForms");
 
getChangesFromModel(viewModel);
/* -> { 
    "Skills": { 
        added: ["Change tracking"],
        removed: ["WebForms"]
    },
    Occupation: "Blogger"
} */