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+```
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+
+<body>
+<button></button>
+<script>
+    // 实例化  new
+    const date = new Date()
+    // 1. 得到当前时间
+    console.log(date)
+    // 2. 指定时间 2025-11-12 09:30:00
+    console.log(new Date('2025-11-12 09:30:00'))
+
+</script>
+</body>
+
+</html>
+```
+
+```
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+
+<body>
+<script>
+    // 获得日期对象
+    const date = new Date()
+    // 使用里面的方法
+
+    // 年
+    console.log(date.getFullYear());
+    // 月  从0-11
+    console.log(date.getMonth() + 1);
+    // 日
+    console.log(date.getDay());
+    // 时
+    console.log(date.getHours());
+    // 分
+    console.log(date.getMinutes());
+    // 秒
+    console.log(date.getSeconds());
+    // 星期几 ，第一天是星期几？星期日
+
+</script>
+</body>
+
+</html>
+```
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