<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Hello World</title>
<script src="./vue.js"></script>
</head>
<body>
<div id="root">
<input type="text" v-model="todoValue">
<button @click="handleBtnClick">提交</button>
<ul>
<todo-item v-bind:content="item"<!DOCTYPE html>
<html lang="en">
<head>
阅读背景：
简单的组件间传值
来源：互联网
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