add: todoList.showCompleted = document.getElementById("completed-tasks-checkbox").checked; return; 
context: function initializeTodoList(){    var todoList = document.getElementById("calendar-todo-list");    todoList.calendar = getCompositeCalendar();    todoList.addEventListener("todo-item-open", editTodoItem, false);    todoList.addEventListener("todo-item-delete", deleteTodoItem, false);    todoList.addEventListener("todo-empty-dblclick", newTodoItem, false);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/25ca61d472a795be9341da8ca4fbd7e8cbe0cf24/todo-list.js/buggy/calendar/lightning/content/todo-list.js