代码
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="app">
<anchored-heading :level="1" href="#hello-wold">Hello world!</anchored-heading>
<anchored-heading :level="2" href="#hello-wold">Hello world!</anchored-heading>
<anchored-heading :level="3" href="#hello-wold">Hello world!</anchored-heading>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script type="text/x-template" id="anchored-heading-template">
<h1 v-if="level === 1">
<a :href="href">
<slot></slot>
</a>
</h1>
<h2 v-else-if="level === 2">
<a :href="href">
<slot></slot>
</a>
</h2>
<h3 v-else-if="level === 3">
<a :href="href">
<slot></slot>
</a>
</h3>
<h4 v-else-if="level === 4">
<a :href="href">
<slot></slot>
</a>
</h4>
<h5 v-else-if="level === 5">
<a :href="href">
<slot></slot>
</a>
</h5>
<h6 v-else-if="level === 6">
<a :href="href">
<slot></slot>
</a>
</h6>
</script>
<script type="text/javascript">
Vue.component('anchored-heading', {
template: '#anchored-heading-template',
props: {
level: {
type: Number,
required: true
},
href: {
type: String,
default: ''
}
}
})
var vm = new Vue({
el: '#app',
data() {
return {}
}
})
</script>
</html>
运行结果