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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> </head> <body> <h2>Animated Accordion</h2> <p>Click on the buttons to open the collapsible content.</p> <button class="accordion">Section 1</button> <div class="panel"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p> </div> <button class="accordion">Section 2</button> <div class="panel"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p> </div> <button class="accordion">Section 3</button> <div class="panel"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p> </div> <script> var acc = document.getElementsByClassName("accordion"); var i; for (i = 0; i < acc.length; i++) { acc[i].addEventListener("click", function() { this.classList.toggle("active"); var panel = this.nextElementSibling; if (panel.style.maxHeight){ panel.style.maxHeight =null ; } else { panel.style.maxHeight = panel.scrollHeight + "px"; } }); } </script> </body> </html>
HTML
Autoformát
Standardní režim
Mobilní zobrazení
.accordion { background-color: #eee; color: #444; cursor: pointer; padding: 18px; width: 100%; border: none; text-align: left; outline: none; font-size: 15px; transition: 0.4s; } .active, .accordion:hover { background-color: #ccc; } .panel { padding: 0 18px; background-color: white; max-height: 0; overflow: hidden; transition: max-height 0.2s ease-out; }
CSS
Autoformát
CSS reset
Až na konci
<script> var acc = document.getElementsByClassName("accordion"); var i; for (i = 0; i < acc.length; i++) { acc[i].addEventListener("click", function() { this.classList.toggle("active"); var panel = this.nextElementSibling; if (panel.style.maxHeight){ panel.style.maxHeight =null ; } else { panel.style.maxHeight = panel.scrollHeight + "px"; } }); } </script>
J
ava
S
cript
Autoformát
jQuery
Umístění JS
window.onload
</head>
</body>