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Philippe Torrel
2026-10-02 11:31:12 +02:00
parent 5a688bc7ea
commit 39962434d0
5 changed files with 487 additions and 0 deletions
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03_js-dom/unterricht/tag20/01_class-list-chat/assets/css/styles.css
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/* -------------------------------------------- Haupt CSS fuer alle Seiten -------------------------------------------- */
/* ---------------- CSS-Reset ------------------- */
html,
body,
a,
div,
h1,
h2,
h3,
h4,
h5,
h6,
span,
p,
img,
strong,
ul,
li,
table,
th,
td,
tr {
margin: 0px;
padding: 0px;
border: 0px none;
font-weight: normal;
font-style: inherit;
font-family: inherit;
font-variant: inherit;
text-decoration: none;
table-layout: inherit;
}
/* ---------------- Body / HTML ------------------- */
html {
font-size: 100%;
background-color: #fffef7;
}
body {
font-family: Helvetica, Arial, sans-serif;
font-size: 1.2em;
font-weight: normal;
color: black;
margin: 0rem auto 2rem auto;
}
/* ---------------- layout ------------------- */
header {
background: url('../img/js_header.png') left top no-repeat transparent;
background-size: cover;
height: 250px;
min-width: 850px;
}
header:after {
content: ' ';
display: block;
height: 250px;
background: rgba(255, 254, 247, 0);
background: -moz-linear-gradient(
top,
rgba(255, 254, 247, 0) 0%,
rgba(255, 254, 247, 0.55) 22%,
rgba(255, 254, 247, 0.7) 42%,
rgba(255, 254, 247, 0.71) 43%,
rgba(255, 254, 247, 0.78) 61%,
rgba(255, 254, 247, 0.92) 75%,
rgba(255, 254, 247, 1) 87%,
rgba(255, 254, 247, 1) 100%
);
background: -webkit-gradient(
left top,
left bottom,
color-stop(0%, rgba(255, 254, 247, 0)),
color-stop(22%, rgba(255, 254, 247, 0.55)),
color-stop(42%, rgba(255, 254, 247, 0.7)),
color-stop(43%, rgba(255, 254, 247, 0.71)),
color-stop(61%, rgba(255, 254, 247, 0.78)),
color-stop(75%, rgba(255, 254, 247, 0.92)),
color-stop(87%, rgba(255, 254, 247, 1)),
color-stop(100%, rgba(255, 254, 247, 1))
);
background: -webkit-linear-gradient(
top,
rgba(255, 254, 247, 0) 0%,
rgba(255, 254, 247, 0.55) 22%,
rgba(255, 254, 247, 0.7) 42%,
rgba(255, 254, 247, 0.71) 43%,
rgba(255, 254, 247, 0.78) 61%,
rgba(255, 254, 247, 0.92) 75%,
rgba(255, 254, 247, 1) 87%,
rgba(255, 254, 247, 1) 100%
);
background: -o-linear-gradient(
top,
rgba(255, 254, 247, 0) 0%,
rgba(255, 254, 247, 0.55) 22%,
rgba(255, 254, 247, 0.7) 42%,
rgba(255, 254, 247, 0.71) 43%,
rgba(255, 254, 247, 0.78) 61%,
rgba(255, 254, 247, 0.92) 75%,
rgba(255, 254, 247, 1) 87%,
rgba(255, 254, 247, 1) 100%
);
background: -ms-linear-gradient(
top,
rgba(255, 254, 247, 0) 0%,
rgba(255, 254, 247, 0.55) 22%,
rgba(255, 254, 247, 0.7) 42%,
rgba(255, 254, 247, 0.71) 43%,
rgba(255, 254, 247, 0.78) 61%,
rgba(255, 254, 247, 0.92) 75%,
rgba(255, 254, 247, 1) 87%,
rgba(255, 254, 247, 1) 100%
);
background: linear-gradient(
to bottom,
rgba(255, 254, 247, 0) 0%,
rgba(255, 254, 247, 0.55) 22%,
rgba(255, 254, 247, 0.7) 42%,
rgba(255, 254, 247, 0.71) 43%,
rgba(255, 254, 247, 0.78) 61%,
rgba(255, 254, 247, 0.92) 75%,
rgba(255, 254, 247, 1) 87%,
rgba(255, 254, 247, 1) 100%
);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#fffef7', endColorstr='#fffef7', GradientType=0 );
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#fffef7', endColorstr='#fffef7', GradientType=0 );
}
main,
footer {
width: 70%;
margin: 3rem auto;
min-width: 850px;
padding: 0 20px;
box-sizing: border-box;
}
/* ---------------- Content ------------------- */
h1 {
color: #93412b;
font-size: 3em;
margin-bottom: 20px;
font-weight: bold;
}
h2 {
color: #93412b;
font-size: 2.5em;
margin-bottom: 15px;
}
h3 {
color: #93412b;
font-size: 2em;
margin-bottom: 10px;
}
p {
line-height: 15px;
margin-bottom: 15px;
line-height: 1.7em;
}
.cited {
font-style: italic;
font-size: 0.8em;
}
.u {
text-decoration: underline;
}
.b {
font-weight: bold;
}
.i {
font-style: italic;
}
.align_right {
text-align: right;
}
.align_left {
text-align: left;
margin-right: 10px;
}
.align_center {
text-align: center;
}
.float_left {
float: left;
}
.float_right {
float: right;
}
.clear_both {
clear: both;
}
strong {
font-weight: bold;
}
.special {
color: #b7595b;
font-weight: bold;
}
.keyword {
color: #db6f50;
font-weight: bold;
font-style: italic;
}
.gray {
color: gray;
}
/* Links */
main a:link,
main a:visited {
color: #eb690b;
font-weight: bold;
}
main a:focus,
main a:hover,
main a:active {
color: #eb690b;
}
ul {
list-style-position: outside;
margin-bottom: 20px;
padding-left: 22px;
}
ol {
margin-bottom: 20px;
padding-left: 30px;
}
li {
line-height: 1.4em;
}
/* ------- Article ------- */
h1 {
color: #93412b;
font-size: 2.7em;
margin-bottom: 20px;
}
#buy_form input[type='button'] {
display: inline-block;
padding: 1px 20px 3px 20px;
background-color: #93412b;
color: white;
border: 1px solid white;
font-size: 1em;
height: 32px;
}
#buy_form input[type='button']:hover {
background-color: white;
color: #93412b;
border: 1px solid #93412b;
}
#buy_form select {
display: inline-block;
font-size: 1em;
background-color: white;
color: #93412b;
border: 1px solid #93412b;
height: 32px;
}
/* ------- Chat ------- */
#chat {
width: 100%;
background-color: white;
border: 1px solid #9c352f;
height: 20rem;
position: relative;
}
#chat_window {
background-color: white;
width: 85%;
float: left;
height: 95%;
}
#chat_history {
position: absolute;
bottom: 8%;
max-height: 92%;
padding: 0px 0px 5px 7px;
}
#chat_history p {
font-size: 0.6em;
margin: 0;
}
#chat_text {
height: 8%;
position: absolute;
bottom: 0;
width: 85%;
}
#chat_text input {
width: 98%;
display: block;
margin: auto;
}
#chat_members {
list-style-type: none;
height: 100%;
width: 15%;
margin-left: 85%;
border-left: 1px solid #9c352f;
text-align: right;
box-sizing: border-box;
min-width: 100px;
font-size: 0.8em;
padding-top: 5px;
}
#chat_members li {
line-height: 1.2em;
padding: 5px 10px 2px 15px;
}
#chat_members .highlighted {
background-color: #c14d45;
color: white;
}
.chat_member {
font-weight: bold;
}
.chat_member1 {
color: #3626c8;
}
.chat_member2 {
color: #e38d0b;
}
#member_search {
position: absolute;
right: 0;
bottom: 0;
width: 15%;
height: 8%;
}
#member_search input {
width: 88%;
display: block;
margin: auto;
text-align: right;
}
03_js-dom/unterricht/tag20/01_class-list-chat/assets/img/favicon.ico
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03_js-dom/unterricht/tag20/01_class-list-chat/assets/img/js_header.png
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03_js-dom/unterricht/tag20/01_class-list-chat/index.html
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<!doctype html>
<html lang="de">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>classList - DOMTokenList</title>
<!-- <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" /> -->
<link rel="stylesheet" href="assets/css/styles.css" />
<link rel="shortcut icon" href="assets/img/favicon.ico" type="image/x-icon" />
</head>
<body>
<header></header>
<main>
<div class="container py-5">
<h1>classList - <a href="https://developer.mozilla.org/de/docs/Web/API/DOMTokenList">DOMTokenList</a></h1>
<hr />
<h2>The Chat</h2>
<div id="chat">
<div id="chat_window">
<div id="chat_history">
<p>
<span class="chat_member chat_member1">Ladislaus:</span>
Anybody there?
</p>
<p>
<span class="chat_member chat_member2">Friedlinde</span>
Yes, me!
</p>
</div>
<div id="chat_text">
<input type="text" placeholder="...new message..." />
</div>
</div>
<ul id="chat_members">
<li class="admin">Heribert</li>
<li>Friedlinde</li>
<li>Tusnelda</li>
<li>Berthold</li>
<li>Oswine</li>
<li>Ladislaus</li>
</ul>
<div id="member_search">
<input type="text" placeholder="...Find a member..." />
</div>
</div>
</div>
</main>
<script>
'use strict';
const $ = (qs) => document.querySelector(qs);
const $$ = (qs) => Array.from(document.querySelectorAll(qs));
const listItemsChat = $$('#chat_members li');
console.log(listItemsChat); //=> [li.admin, li, li, li, li, li]
console.log(listItemsChat[0]); //=> <li class="admin">Heribert</li>
// Die meisten Attribute in HTML können als Eigenschaft in JS direkt angesprochen werden (IDL)
console.log($('#member_search input').type); // => "text"
console.log($('#member_search input').placeholder); // => "...Find a member..."
console.log($('#member_search').id); // => "member_search"
// class Attribut kann nicht direkt als Eigenschaft angesprochen werden, sondern über classList
console.log($('#chat_members li').class); // => undefined
console.log($('#chat_members li').classList); // => DOMTokenList ['admin', value: 'admin']
console.log($('#chat_history span').classList); // => DOMTokenList ['chat_member', 'chat_member1' value: 'chat_member 'chat_member1']
console.log($('#chat_members li').classList.value); // => 'admin'
// DOMTokenList - .classList
console.log($('#chat_members li').classList[0]); // => 'admin'
// DOMTokenList - Eigenschaft - length
console.log($('#chat_members li').classList.length); // => 1
console.log($('div').classList.length); // => 2
// DOMTokenList - Methode - add()
$('#chat_members li').classList.add('highlighted');
$('#chat_members li').classList.add('highlighted', 'admin');
// DOMTokenList - Methode - remove()
$('#chat_members li').classList.remove('highlighted');
$('#chat_members li').classList.remove('highlighted', 'admin');
// DOMTokenList - Methode - toggle()
$('#chat_members li').classList.toggle('highlighted'); // => Klasse 'highlighted' wird hinzugefügt, wenn NICHT vorhanden
$('#chat_members li').classList.toggle('highlighted'); // => Klasse 'highlighted' wird entfernt, wenn vorhanden
// DOMTokenList - Methode - contains()
$('#chat_members li').classList.add('admin');
console.log($('#chat_members li').classList.contains('highlighted')); // => false
console.log($('#chat_members li').classList.contains('admin')); // => true
// DOMTokenList - Methode - replace() - kein IE11 support
$('#chat_members li').classList.replace('admin', 'guest');
$('#chat_members li').classList.replace('guest', 'admin');
// DOMTokenList - Methode - item()
$('#chat_members li').classList.item(0); // => 'admin'
$('#chat_members li').classList[0]; // => 'admin'
// ===========
const searchFor = 'ert'; // TODO: search value from input
const liNodes = $$('#chat_members li');
const liNodesFound = liNodes.filter((liNode) => {
return liNode.textContent.includes(searchFor);
});
liNodesFound.forEach((liNode) => {
liNode.classList.add('highlighted');
});
</script>
</body>
</html>
03_js-dom/unterricht/tag20/02_js-auslagern-defer/index.html
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