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/fontendseven/每天课程/2021-11-19/event.html
+++ b/历届学生/fontendseven/每天课程/2021-11-19/event.html
@@ -0,0 +1,40 @@
+<!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>事件</title>
+</head>
+<body>
+
+    <!-- <button onclick="test()">点我1</button> -->
+
+
+    <button class="two">点我2</button>
+
+    <!-- <button class="three">点我3</button> -->
+    
+</body>
+
+<script>
+    // 1
+    // function test() {
+    //     alert("hahha")
+    // }
+
+    // 2
+    // document.querySelector(".two") 返回的是一个js对象
+    // 虚拟 dom
+    document.querySelector(".two").onclick = function (event) {
+        console.log(event);
+        alert("哈哈哈1")
+    }
+
+    // // 3
+    // document.querySelector(".three").addEventListener('click', function () {
+    //     alert("1")
+    // })
+
+</script>
+</html>