or

var DS = new kendo.data.DataSource({ type: "odataCors", transport: { read: { url: "https://.../TestData", crossDomain: true, withCredentials: true, beforeSend: function (req) { req.setRequestHeader("Authorization", "Basic" + auth); } } } });<div data-role="radialgauge" data-pointer="{ value: 20 }"></div>editable: { mode: 'popup', template: 'can I set this value from JS?' },