Implement updating the list while editing it

static/js/wishlists.js

@@ -68,6 +68,16 @@ function triggerSelect(listId) {
 
 function triggerUpdate(listId, data) {
   console.debug('Triggering HTML update for list ' + listId + ', data: ' + data);
+  listCopy = Object.assign({}, curList);
+  listCopy.data = data;
+
+  $.ajax({
+    method: 'POST',
+    url: '/lists',
+    headers: { 'Accept': 'text/html',
+               'Content-Type': 'application/json' },
+    data: JSON.stringify(listCopy)
+  }).done(function(html) { $("#listHtml").html(html) });
 }
 
 function saveUpdate(listId, data) {