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/zheng-yuqing/每天上课/2022-04-30/rem.html
+++ b/历届学生/zheng-yuqing/每天上课/2022-04-30/rem.html
@@ -0,0 +1,48 @@
+<!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>rem</title>
+    <script>
+        window.onload = function () {
+            getRem(750, 100)
+        };
+        window.onresize = function () {
+            getRem(750, 100)
+        };
+        function getRem(pwidth, prem) {
+            var html = document.getElementsByTagName("html")[0];
+            var oWidth = document.body.clientWidth || document.documentElement.clientWidth;
+            html.style.fontSize = oWidth / pwidth * prem + "px";
+        }
+    </script>
+    <style>
+        body {
+            margin: 0;
+        }
+
+        .box {
+            width: 3.75rem;
+            height: 3.75rem;
+            float: left;
+        }
+
+        .box_1 {
+            background: red;
+        }
+
+        .box_2 {
+            background: yellow;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="box box_1"></div>
+    <div class="box box_2"></div>
+</body>
+
+</html>