5.v-cloack,v-html,v-text,v-once,v-pre用法

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>模板</title>
<script src="js/vue.js"></script>
<script>
window.onload = function () {
let vm = new Vue({
el: '#itany',
data: {
msg: 'welcome to itany'
},
created: function () {
alert(111);
}
});
}
</script>
<style>
/* 必须配置css样式，否则不生效 */
[v-cloak] {
display: none;
}
</style>
</head>
<body>
<div id="itany">
<input type="text" v-model="msg">

<h3>aaa<span v-cloak>{{msg}}</span></h3>

<hr>

<h3 v-text="msg"></h3>

<h3 v-html="msg"></h3>

<hr>

<h3 v-once>{{msg}}</h3>

<h3 v-pre>{{msg}}</h3>
</div>
</body>
</html>