Initializing Knockout.js Observables

InitializeKnockoutObservable.js

var valueType = true;
var oValueType = new ko.observable(valueType);
oValueType(false);
// valueType is unchanged

var array = [1, 2, 3];
var oArray = new ko.observableArray(array);
oArray.remove(1);
// array is modified, now equals [2, 3]

var date = new Date();
var oDate = new ko.observable(date);
oDate().clearTime();
// date is modified and the time portion has been removed