vue第一个实例
<div id="hello-vue" class="demo"> {{ message }} </div>
.demo { font-family: sans-serif; border: 1px solid #eee; border-radius: 2px; padding: 20px 30px; margin-top: 1em; margin-bottom: 40px; user-select: none; overflow-x: auto; }
const HelloVueApp = { data() { return { message: 'Hello Vue!!' } } } Vue.createApp(HelloVueApp).mount('#hello-vue')