template & slot #83
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template & slot
template & slot
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<!DOCTYPE html>
<html lang="zh-Hans">
<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">
<meta name="author" content="xgqfrms">
<meta name="generator" content="VS code">
<link rel="icon" type="image/x-icon" href="./favicon.ico" />
<link rel="icon" type="image/png" href="./favicon.png" />
<title>template & slot</title>
<style lang="css">
dl { margin-left: 6px; }
dt { font-weight: bold; color: #217ac0; font-size: 110% }
dt { font-family: Consolas, "Liberation Mono", Courier }
dd { margin-left: 16px }
</style>
</head>
<body>
<section>
<header>
<h1>template & slot</h1>
</header>
<main>
<!-- template -->
<template id="element-details-template">
<style>
details {font-family: "Open Sans Light",Helvetica,Arial}
.name {font-weight: bold; color: #217ac0; font-size: 120%}
h4 { margin: 10px 0 -8px 0; }
h4 span { background: #217ac0; padding: 2px 6px 2px 6px }
h4 span { border: 1px solid #cee9f9; border-radius: 4px }
h4 span { color: white }
.attributes { margin-left: 22px; font-size: 90% }
.attributes p { margin-left: 16px; font-style: italic }
</style>
<details>
<summary>
<span>
<code class="name">
<<slot name="element-name">NEED NAME</slot>>
</code>
<i class="desc">
<slot name="description">NEED DESCRIPTION</slot>
</i>
</span>
</summary>
<div class="attributes">
<h4>
<span>Attributes</span>
</h4>
<slot name="attributes">
<p>None</p>
</slot>
</div>
</details>
<hr>
</template>
<!-- demo -->
<element-details>
<span slot="element-name">slot</span>
<span slot="description">
A placeholder inside a web
component that users can fill with their own markup,
with the effect of composing different DOM trees
together.
</span>
<dl slot="attributes">
<dt>name</dt>
<dd>The name of the slot.</dd>
</dl>
</element-details>
<element-details>
<span slot="element-name">template</span>
<span slot="description">
A mechanism for holding client-
side content that is not to be rendered when a page is
loaded but may subsequently be instantiated during
runtime using JavaScript.
</span>
</element-details>
</main>
</section>
<!-- js -->
<!-- <script src="./app.js"></script> -->
</body>
</html>"use strict";
/**
*
* @author xgqfrms
* @license MIT
* @copyright xgqfrms
*
* @description app.js
* @augments
* @example
* @link
*
*/
let log = console.log;
customElements.define("element-details",
class extends HTMLElement {
constructor() {
super();
const template = document.getElementById("element-details-template").content;
// log(`element-details's template =`, template);
let dom = template.cloneNode(true);
// log(`element-details's template's dom =`, dom);
// log(`this =`, this);
const shadowRoot = this.attachShadow({mode: "open"}).appendChild(dom);
// log(`shadowRoot =`, shadowRoot);
}
}
); |
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template & slot
https://codepen.io/xgqfrms/pen/xoWvyL
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