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How can i update the complete viewModel ? On page load i get a Model and convert that using ko.mapping.fromJS(myObject) to a viewModel. If the user clicks a button i want to get updated data from the server Now i want to apply theese updates If i use ko.applyBindings(viewModel); it updates the ui perfectly. But it adds the same events again. So if the user clicks the button, the event gets fired twice, third and so on. Question What is a good way to update my complete viewModel. Maybe i remove the bindings and apply them again ? (how to do this). Sample var viewModel; function update() { $.ajax({ url: '...', type: "GET", statusCode: { 200: function (data) { viewModel = ko.mapping.fromJS(data); ko.applyBindings(viewModel); } } }); } // first call after page load update(); // user click $("#myButton").click(function() { update(); }); Update Steve Greatrex Could you post your custom binding implementation? ko.bindingHandlers.domBinding = { init: function (element, valueAccessor, allBindingsAccessor, viewModel) { viewModel.domElement = element; }, update: function (element, valueAccessor, allBindingsAccessor, viewModel) { viewModel.domElement = element; }, };

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