fix with remove setTimeout

app.js

@@ -15,6 +15,7 @@ const HabitTrackerApp = {
     init: function() {
         this.loadElements();
         this.render();
+        this.loadDynamicElements();
         this.setupEventListeners();
     },
 
@@ -23,12 +24,6 @@ const HabitTrackerApp = {
             //this.elements.addHabitForm.style.display = 'block';
         });
 
-        // 2 вариант
-        const timerId = setInterval(() => {
-            if (this.elements.habbitDoneButtons.length == 0) {
-                return;
-            }
-
         this.elements.habbitDoneButtons.forEach(
             button => {
                 return button.addEventListener('click', (event) => {
@@ -40,9 +35,6 @@ const HabitTrackerApp = {
                 });
             }
         );
-        }, 1000);
-
-        setTimeout(() => clearInterval(timerId), 3000);
         
         // пройти циклом по habbitDoneButtons. На каждый элемент массива
         // добавить addEventListener по клику.
@@ -59,6 +51,10 @@ const HabitTrackerApp = {
         
     },
 
+    loadDynamicElements: function() {
+        this.elements.habbitDoneButtons = document.querySelectorAll('.button--primary');
+    },
+
     render: function() {
         const habitsHTML = HabitManager.habits.map(habit => {
             const cardClass = `habit-card ${habit.isCompleted ? 'habit-card--completed' : ''}`;