add topic_4

2023-04-07 12:21:44 +07:00
parent 1a822a4169
commit fe554065bc
9 changed files with 185 additions and 0 deletions
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <title>Всплывающее меню</title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+<div id="nav">
+    <div class="menu-item">
+        Меню 1
+        <div class="submenu">
+            Подменю
+        </div>
+    </div>
+    <div class="menu-item">
+        Меню 2
+        <div class="submenu">
+            Подменю
+            Подменю
+            Подменю
+        </div>
+    </div>
+    <div class="menu-item">
+        Меню 3
+        <div class="submenu">
+            Подменю
+            Подменю
+        </div>
+    </div>
+    <script src="script.js"></script>
+</div>
+
+</body>
+</html>
@@ -0,0 +1,23 @@
+window.onload = function() {
+    let nav = document.getElementById("nav")
+    let items = nav.getElementsByClassName("menu-item");
+    for (let i = 0; i < items.length; i++) {
+        let item = items[i]
+        item.onclick = function () {
+            for (let j = 0; j < items.length; j++) {
+                if (i === j) {
+                    continue
+                }
+                let oldItem = items[j]
+                oldItem.getElementsByClassName("submenu")[0].classList.remove('show')
+            }
+
+            let submenu = item.getElementsByClassName("submenu")[0];
+            if (submenu.classList.contains('show')) {
+                submenu.classList.remove('show')
+            } else {
+                submenu.classList.add('show')
+            }
+        }
+    }
+}
@@ -0,0 +1,19 @@
+.menu-item {
+    font-size: 20px;
+    border: 2px solid #66CDAA;
+    display: inline-block;
+    position: relative;
+    cursor: pointer;
+}
+
+.menu-item .submenu {
+    width: 100px;
+    background: rgb(134, 173, 134);
+    position: absolute;
+    cursor: pointer;
+    display: none;
+}
+
+.menu-item .submenu.show {
+    display: block;
+}