public/assets/knockout-3-4-0/src/binding/defaultBindings/visible.js

   1 ko.bindingHandlers['visible'] = {
   2     'update': function (element, valueAccessor) {
   3         var value = ko.utils.unwrapObservable(valueAccessor());
   4         var isCurrentlyVisible = !(element.style.display == "none");
   5         if (value && !isCurrentlyVisible)
   6             element.style.display = "";
   7         else if ((!value) && isCurrentlyVisible)
   8             element.style.display = "none";
   9     }
  10 };