diff --git a/index.html b/index.html
index 6f14ae14a..0899aba1f 100644
--- a/index.html
+++ b/index.html
@@ -1,71 +1,231 @@
 <!DOCTYPE html>
 <html>
-  <head>
-    <title>Проект "Комменты"</title>
-    <meta charset="utf-8" />
-    <link rel="stylesheet" href="styles.css" />
-  </head>
-
-  <body>
-    <div class="container">
-      <ul class="comments">
-        <li class="comment">
-          <div class="comment-header">
-            <div>Глеб Фокин</div>
-            <div>12.02.22 12:18</div>
-          </div>
-          <div class="comment-body">
-            <div class="comment-text">
-              Это будет первый комментарий на этой странице
-            </div>
-          </div>
-          <div class="comment-footer">
-            <div class="likes">
-              <span class="likes-counter">3</span>
-              <button class="like-button"></button>
-            </div>
+
+<head>
+  <title>Проект "Комменты"</title>
+  <meta charset="utf-8" />
+  <link rel="stylesheet" href="styles.css" />
+</head>
+
+<body>
+  <div class="container"> 
+    <ul class="comments">
+      <li class="comment">
+        <div class="comment-header">
+          <div>Глеб Фокин</div>
+          <div>12.02.22 12:18</div>
+        </div>
+        <div class="comment-body">
+          <div class="comment-text">
+            Это будет первый комментарий на этой странице
           </div>
-        </li>
-        <li class="comment">
-          <div class="comment-header">
-            <div>Варвара Н.</div>
-            <div>13.02.22 19:22</div>
+        </div>
+        <div class="comment-footer">
+          <div class="likes">
+            <span class="likes-counter">3</span>
+            <button class="like-button"></button>
           </div>
-          <div class="comment-body">
-            <div class="comment-text">
-              Мне нравится как оформлена эта страница! ❤
-            </div>
+        </div>
+      </li>
+      <li class="comment">
+        <div class="comment-header">
+          <div>Варвара Н.</div>
+          <div>13.02.22 19:22</div>
+        </div>
+        <div class="comment-body">
+          <div class="comment-text">
+            Мне нравится как оформлена эта страница! ❤
           </div>
-          <div class="comment-footer">
-            <div class="likes">
-              <span class="likes-counter">75</span>
-              <button class="like-button -active-like"></button>
-            </div>
+        </div>
+        <div class="comment-footer">
+          <div class="likes">
+            <span class="likes-counter">75</span>
+            <button class="like-button -active-like"></button>
           </div>
-        </li>
-      </ul>
-      <div class="add-form">
-        <input
-          type="text"
-          class="add-form-name"
-          placeholder="Введите ваше имя"
-        />
-        <textarea
-          type="textarea"
-          class="add-form-text"
-          placeholder="Введите ваш коментарий"
-          rows="4"
-        ></textarea>
-        <div class="add-form-row">
-          <button class="add-form-button">Написать</button>
         </div>
+      </li>
+    </ul>
+    <div class="add-form">
+      <input type="text" class="add-form-name" placeholder="Введите ваше имя" />
+      <textarea type="textarea" class="add-form-text" placeholder="Введите ваш коментарий" rows="4"></textarea>
+      <div class="add-form-row">
+        <button class="add-form-button">Написать</button>
       </div>
     </div>
-  </body>
-
-  <script>
-    "use strict";
-    // Код писать здесь
-    console.log("It works!");
-  </script>
-</html>
+  </div>
+</body>
+
+<script>
+  "use strict";
+
+  const commentsData = [
+    {
+      id: 1,
+      name: "Ivan Ivanov",
+      date: "22.05.25 13:15",
+      text: "Первый комментарий",
+      likes: 3,
+      isLiked: false
+    },
+    {
+      id: 2,
+      name: "Daria Antonova",
+      date: "20.08.25 09:18",
+      text: "Второй комментарий",
+      likes: 4,
+      isLiked: true
+    }
+  ];
+
+  const nameInput = document.querySelector('.add-form-name');
+  const textInput = document.querySelector('.add-form-text');
+  const addButton = document.querySelector('.add-form-button');
+  const commentsList = document.querySelector('.comments');
+
+  let replyingTo = null; 
+
+  function renderComments() {
+    commentsList.innerHTML = '';
+
+    commentsData.forEach((comment) => {
+      const likeButtonClass = comment.isLiked ? 'like-button -active-like' : 'like-button';
+
+      const commentHTML = `
+      <li class="comment" data-id="${comment.id}">
+        <div class="comment-header">
+          <div>${escapeHtml(comment.name)}</div>
+          <div>${comment.date}</div>
+          </div>
+          <div class="comment-body">
+            <div class="comment-text">
+              ${escapeHtml(comment.text)}
+              </div>
+              </div>
+              <div class="comment-footer">
+                <div class="likes">
+                  <span class="likes-counter">${comment.likes}</span>
+                  <button class="${likeButtonClass}" data-id="${comment.id}"></button>
+                  </div>
+                  </div>
+                  </li>
+                  `;
+
+      commentsList.innerHTML += commentHTML;
+    });
+
+    initLikeButtons();
+    initCommentClickHandlers();
+  }
+
+  function initCommentClickHandlers () {
+    const commentElements = document.querySelectorAll('.comment');
+
+    commentElements.forEach((commentElement) => {
+      commentElement.addEventListener('click', (event) => {
+        if (!event.target.closest('.like-button')) {
+          const commentId = parseInt (commentElement.dataset.id);
+          replyToComment(commentId);
+        }
+      });
+    });
+  }
+
+  function replyToComment(commentId) {
+    const comment = commentsData.find(c => c.id === commentId);
+
+    if (comment) {
+      replyingTo = commentId; 
+      textInput.value = `> ${escapeHtml(comment.name)}: ${escapeHtml(comment.text)}\n\n`;
+      textInput.focus();
+    }
+  }
+
+  function initLikeButtons() {
+    const likeButtons = document.querySelectorAll('.like-button');
+
+    likeButtons.forEach((button) => {
+      button.addEventListener('click', (event) => {
+        event.stopPropagation();
+        const commentId = parseInt(button.dataset.id);
+        const comment = commentsData.find(c => c.id === commentId);
+
+        if (comment) {
+          if (comment.isLiked) {
+            comment.likes--;
+            comment.isLiked = false;
+          } else {
+            comment.likes++;
+            comment.isLiked = true;
+          }
+
+          renderComments();
+        }
+      });
+    });
+  }
+
+  function escapeHtml(unsafe) {
+    if (typeof unsafe !== 'string') return unsafe; 
+
+    return unsafe
+    .replaceAll('&', '&amp;')
+    .replaceAll('<', '&lt;')
+    .replaceAll('>', '&gt;')
+    .replaceAll('"', '&quot;')
+    .replaceAll("'", '&#039;')
+  }
+
+
+
+  function addComment() {
+
+    const name = nameInput.value.trim();
+    const text = textInput.value.trim();
+
+    if (name === '' || text === '') {
+      alert('Пожалуйста, заполните все поля!');
+      return;
+    }
+
+    const currentDate = new Date();
+    const formattedDate = `${currentDate.getDate().toString().padStart(2, '0')}.${(currentDate.getMonth() + 1).toString().padStart(2, '0')}.${currentDate.getFullYear().toString().slice(-2)} ${currentDate.getHours().toString().padStart(2, '0')}:${currentDate.getMinutes().toString().padStart(2, '0')}`;
+
+    const newComment = {
+      id: Date.now(),
+      name: name,
+      date: formattedDate,
+      text: text,
+      likes: 0,
+      isLiked: false,
+      replyTo: replyingTo
+    };
+
+    commentsData.push(newComment);
+    renderComments();
+
+
+    nameInput.value = '';
+    textInput.value = '';
+    replyingTo = null; 
+  }
+
+  function initApp() {
+    renderComments();
+
+    addButton.addEventListener('click', addComment);
+
+    textInput.addEventListener('keypress', (event) => {
+      if (event.key === 'Enter' && !event.shiftKey) {
+        event.preventDefault();
+        addComment();
+      }
+    });
+  }
+
+  document.addEventListener('DOMContentLoaded', initApp);
+
+
+  console.log("It works!");
+</script>
+
+</html>
\ No newline at end of file
