first commit

2024-09-27 02:06:13 +08:00
commit 852d94fbb9
36760 changed files with 3274413 additions and 0 deletions
--- a/历届学生/陈一航/2020-04-05/message.html
+++ b/历届学生/陈一航/2020-04-05/message.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>留言</title>
+    <style>
+        .main {
+            width: 400px;
+            height: 350px;
+            margin: 30px auto;
+            position: relative;
+        }
+        textarea {
+            width: 100%;
+            height: 100%;
+            resize:  none;
+        }
+        .main span {
+            position: absolute;
+            right: 10px;
+            bottom: 10px;
+        }
+    </style>
+</head>
+<body>
+    
+    <div class="main">
+        <textarea name="" id="" cols="30" rows="10"></textarea>
+        <span>300/300</span>
+    </div>
+
+
+    <script>
+        var totalNums = 300;
+        $("textarea").oninput = function () {
+            var syLength = totalNums - $("textarea").value.length;
+            if (syLength < 0) {
+                $("textarea").value = $("textarea").value.substring(0,300)
+                $("span").innerText = `300/0`
+            } else {
+                $("span").innerText = `300/${syLength}`
+            }
+            
+        }
+
+        function $(className) {
+            return document.querySelector(className)
+        }
+    </script>
+
+</body>
+</html>