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[ADD]事件处理器

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viletyy 2020-10-09 18:22:36 +08:00
parent c914434727
commit 28649469f4
1 changed files with 71 additions and 0 deletions
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<!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outdated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>