aaaa

2021-06-03 10:52:41 +08:00
parent c5f18c6051
commit 907511778b
54 changed files with 3540 additions and 50 deletions
--- a/teaching/wanzhaoyi/js/jisuanqi.html
+++ b/teaching/wanzhaoyi/js/jisuanqi.html
@@ -0,0 +1,22 @@
+<!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>
+    <script>
+        function add(){
+            var num=document.getElementsByClassName("num")
+            console.log(num[0].value,'+',num[1].value)
+            console.log(Number(num[0].value)+Number(num[1].value))
+        }
+    </script>
+</head>
+<body>
+    <input type="text" value="" class="num">
+    <input type="text" value="" class="num"><br/>
+
+    <button onclick="add()">加</button> 
+</body>
+</html>