temporary/menu.html at master · jinyongchoi/temporary · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Cookie를 활용한 선택 메뉴 볼드 처리</title>
  <style>
    .menu-item {
      padding: 8px 16px;
      cursor: pointer;
      background-color: #f1f1f1;
    }
    .menu-item:hover {
      background-color: #e1e1e1;
    }
    .submenu {
      display: none;
      position: absolute;
      background-color: white;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      z-index: 1;
    }
    .submenu .menu-item {
      display: block;
    }
    .active {
      font-weight: bold;
    }
  </style>
</head>
<body onload="loadActiveMenuItem()">
  <nav>
    <div class="menu-item" onmouseenter="showSubmenu('main')" onmouseleave="hideSubmenu('main')">
      메인 메뉴
      <div class="submenu" id="main-submenu">
        <div class="menu-item" onclick="toggleActive(this)">서브메뉴 1</div>
        <div class="menu-item" onclick="toggleActive(this)">서브메뉴 2</div>
        <div class="menu-item" onclick="toggleActive(this)">서브메뉴 3</div>
      </div>
    </div>
  </nav>

  <script>
    let activeMenuItem = null;

    function showSubmenu(menuName) {
      const submenu = document.getElementById(`${menuName}-submenu`);
      submenu.style.display = 'block';
    }

    function hideSubmenu(menuName) {
      const submenu = document.getElementById(`${menuName}-submenu`);
      submenu.style.display = 'none';
    }

    function toggleActive(clickedItem) {
      if (activeMenuItem) {
        activeMenuItem.classList.remove('active');
      }
      clickedItem.classList.add('active');
      activeMenuItem = clickedItem;
      saveActiveMenuItem();
    }

    function saveActiveMenuItem() {
      const activeMenuItemText = activeMenuItem ? activeMenuItem.textContent : '';
      document.cookie = `activeMenuItem=${activeMenuItemText}; expires=Fri, 31 Dec 9999 23:59:59 GMT`;
    }

    function loadActiveMenuItem() {
      const cookies = document.cookie.split(';');
      for (const cookie of cookies) {
        console.log(cookie);
        const [name, value] = cookie.trim().split('=');
        if (name === 'activeMenuItem') {
          const activeMenuItems = document.querySelectorAll('.menu-item');
          for (const menuItem of activeMenuItems) {
            if (menuItem.textContent === value) {
              toggleActive(menuItem);
              return;
            }
          }
        }
      }
    }
  </script>
</body>
</html>