请问vue3兼容vue2吗?
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不兼容,我们看看两者的代码写法区别:
vue2写法
<template> <div class='form-element'> <h2> {{ title }} </h2> <input type='text' v-model='username' placeholder='Username' /> <input type='password' v-model='password' placeholder='Password' /> <button @click='login'> Submit </button> <p> Values: {{ username + ' ' + password }} </p> </div> </template> <script> export default { props: { title: String }, data () { return { username: '', password: '' } }, mounted () { console.log('title: ' + this.title) }, computed: { lowerCaseUsername () { return this.username.toL...
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