<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
</style>
<body>
<!-- 全局自定義指令 -->
<div id="abc">
{{msg}}
<p>
{{str}}
</p>
</div>
<script src="./js/vue.js"></script>
<script>
/* Vue.directive('focus', {
inserted(el) {
//該自定義指令的調用者
el.focus();
}
}) */
var vm = new Vue({
el: '#abc',
//模闆ajax傳回的資料
data: {
//資料依賴另外一個資料
msg: 'abc',
},
//局部自定義指令
//通過computed計算
computed: {
str: function() {
return this.msg + 'xyz'
}
},
methods: {
},
})
</script>
<!-- 清單渲染 -->
<!-- 1渲染數組 -->
<!-- 2c處理無資料的時候 -->
</body>
</html> ![龍珠訓練營task04[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)