this.$set()

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
姓名：{{ name }}<br>
年龄：{{age}}<br>
说明：{{info.content}}
</div>

<script>
new Vue({
el: '#app',
data: {
name: "简书",
age: '3',
info: {
//content: 'my name is test'
}
},
mounted: function(){
this.$set(this.info,"content", '11111')
}
})
</script>
</body>
</html>

posted @ 2021-10-19 09:55  果果1024  阅读(37)  评论(0)    收藏  举报