<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>vue</title>
<!--
<script src="vue.js"></script>
-->
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://unpkg.com/lodash@4.13.1/lodash.min.js"></script>
</head>
<body>
<div id='vm01'>
<!--
<li v-for="n in evenNumbers">{{n}}</li>
-->
<input @keyup.f1="submit"></input>
</div>
<div id="example-5" class="demo">
<select v-model="selected">
<option>A</option>
<option>B</option>
<option>C</option>
</select>
<span>Selected: {{ selected }}</span>
</div>
<div id="example-2">
<simple-counter></simple-counter>
<simple-counter></simple-counter>
<simple-counter></simple-counter>
</div>
<script>
var data = { counter: 0 }
Vue.component('simple-counter', {
template: '<button v-on:click="counter += 1">{{ counter }}</button>',
// 技术上 data 的确是一个函数了，因此 Vue 不会警告，
// 但是我们返回给每个组件的实例的却引用了同一个data对象
data: function () {
return {counter:0}
}
})
new Vue({
el: '#example-2'
})
new Vue({
el: '#example-5',
data: {
selected: null
}
})
var vm01= new Vue({
el:"#vm01",
data:{evenNumbers:[1,2,3,9,10]},
methods: {
submit: function(){
alert(" use key 13 ");
}
}
})
/*
var vm01= new Vue({
el:"#vm01",
data:{evenNumbers:[1,2,3,9,10]}
})
*/
/*
var vm01= new Vue({
el:"#vm01",
data:{numbers:[1,2,3,9]},
computed:
{
evenNumbers: function () {
return this.numbers.filter(function (number) {
//return number % 2 === 0
return number
})
}
}
})
*/
</script>
</body>
</html>
