<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src='../vue.js'></script>
</head>
<body>
<div id="app">
<input type="text" v-model='inputValue'>
<button v-on:click='handleBtnClick'>提交</button>
<ul>
<!-- <li v-for='item in list'>{{item}}</li> -->
<todo-item
v-for='(item ,index) in list'
v-bind:content='item'
v-bind:index='index'
@delete='handleItemDelete'
>
</todo-item>
</ul>
</div>
<script>
Vue.component('TodoItem',{
props: ['content','index'],
template : "<li @click='handleItemClick'>{{content}}</li>",
methods : {
handleItemClick : function () {
this.$emit('delete',this.index)
}
}
})
// var TodoItem = {
// props: ['content'],
// template : "<li @click='handleItemClick'>{{content}}</li>",
// methods : {
// handleItemClick : function () {
// console.log(1)
// }
// }
// }
var vm = new Vue({
el : '#app' ,
data : {
list : [] ,
inputValue : ''
},
methods : {
handleBtnClick : function () {
this.list.push(this.inputValue)
this.inputValue=''
},
handleItemDelete: function (index) {
this.list.splice(index,1)
}
}
})
</script>
</body>
</html>
父子 : v-bind:
子父 : $emit('事件名','index')
splice(x,y) : 从第几个删除,删除几个
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