前端

2023-09-18 11:21:50 +08:00
parent 8038f02f30
commit 85e41f3ef9
31 changed files with 1802 additions and 30 deletions
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <meta name="author" content="flykhan" />
+    <meta name="keywords" content="c c++ 物联网" />
+    <title>实时显示日期和时间</title>
+  </head>
+  <body>
+    <div id="dateDIV"></div>
+
+    <script>
+      // js 中的匿名函数: function(){}
+      // js 中的箭头函数: ()=>{}
+      //    (n,m) => n*m     n*m就是匿名函数返回的值
+      setInterval(() => {
+        // Date 日期时间类
+        let cur_date = new Date();
+        let date_str =
+          "" +
+          cur_date.getFullYear() +
+          "年" +
+          cur_date.getMonth() +
+          "月" +
+          cur_date.getDate() +
+          "日" +
+          "  " +
+          cur_date.getHours() +
+          "时" +
+          cur_date.getMinutes() +
+          "分" +
+          cur_date.setSeconds() +
+          "秒";
+
+        dateDIV.innerText = date_str;
+      }, 1000);
+    </script>
+  </body>
+</html>