-
Notifications
You must be signed in to change notification settings - Fork 0
/
template.html
56 lines (54 loc) · 1.72 KB
/
template.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>template & slot</title>
</head>
<body>
<h1>template是不会在页面上显示的document-fragment</h1>
<template id="template1">
<div>template1</div>
</template>
<template id="template2">
<div>template2</div>
</template>
<div id="show-template">通过JS获取#template2渲染到页面上:</div>
<script>
const template2 = document.querySelector('#template2')
const div = document.querySelector('#show-template')
div.appendChild(template2.content)
</script>
<h1>slot需配合web component使用</h1>
<template id="template3">
<div>template slot content:</div>
<p><slot></slot></p>
<p>named slot:<slot name="named"></slot></p>
<p>嵌套 slot 无效:<slot name="a"><slot name="b"></slot></slot></p>
</template>
<custom-p>
<b>匿名slot</b>
<b slot="named">具名slot</b>
<b slot="a">嵌套a</b>
<b slot="b">嵌套b</b>
<div>
在template外使用slot无效:
<slot>匿名slot</slot>
<slot name="named slot">具名slot</slot>
</div>
</custom-p>
<script>
customElements.define(
"custom-p",
class extends HTMLElement {
constructor() {
super();
const template = document.querySelector('#template3')
let templateContent = template.content;
const shadowRoot = this.attachShadow({ mode: "open" });
shadowRoot.appendChild(templateContent.cloneNode(true));
}
}
)
</script>
</body>
</html>