[ADD]事件处理器

2020-10-09 18:22:36 +08:00 · 2020-10-09 18:22:36 +08:00 · 28649469f4
parent c914434727
commit 28649469f4
1 changed files with 71 additions and 0 deletions
--- a/事件处理器.html
+++ b/事件处理器.html
@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
+<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
+<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
+<!--[if gt IE 8]>      <html class="no-js"> <!--<![endif]-->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <title></title>
+    <meta name="description" content="">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" href="">
+    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
+  </head>
+  <body>
+    <!--[if lt IE 7]>
+      <p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
+    <![endif]-->
+
+    <div id="example-1">
+      <button v-on:click="counter += 1">增加1</button>
+      <p> 这个按钮被点击了{{counter}}次</p>
+    </div>
+
+    <div id="example-2">
+      <button v-on:click="greet">Greet</button>
+    </div>
+
+    <div id="example-3">
+      <button v-on:click="say('hi')">Say hi</button>
+      <button v-on:click="say('what')">Say what</button>
+      <button v-on:click="warn('Form cannot be submitted yet', $event)">Submit</button>
+    </div>
+    
+    <script>
+      var example1 = new Vue({
+        el: '#example-1',
+        data: {
+          counter: 0
+        }
+      })
+
+      var example2 = new Vue({
+        el: '#example-2',
+        data: {
+          name: 'Vue.js'
+        },
+        methods: {
+          greet: function(event){
+            alert('Hello' + this.name + '!')
+            alert(event.target.tagName)
+          }
+        },
+      }) 
+
+      var example3 = new Vue({
+        el: '#example-3',
+        methods: {
+          say: function(message){
+            alert(message)
+          },
+          warn: function(message, event) {
+            if (event) event.preventDefault() 
+            alert(message)
+          }
+        }
+      })     
+    </script>
+  </body>
+</html>