JSFiddle - React, Tailwind, and code Playground

by Wolf Wortmann

HTML

<article>
    <div class="klick left">▼</div>
    <div class="left">
        <span>gallerie.php</span>
        <span>PHP JS Code</span>
    </div>
    <p>
        Hier Steht some <br> Content <br> Und so Weiter, und so Weiter<br> Viel mehr kommt noch
    </p>
</article>

CSS

span{
    display: block;
    margin-left: 20px;
}
.left{
    float: left;
}
article{
    max-height: 52px;
    font-size: 14px;
	color: #FFF;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	padding-top: 10px;
	padding-bottom: 10px;
	padding-right: 40px;
	padding-left: 40px;
	overflow: hidden;
	background-color: rgba(28,28,28, 1);
       
    -moz-transition:    max-height 5s ease-in-out 0s;
    -webkit-transition: max-height 5s ease-in-out 0s;
    -o-transition:      max-height 5s ease-in-out 0s;
     transition:        max-height 5s ease-in-out 0s;
}

p{
    clear:  both;
    margin-top: 40px;
}
.klick{
    transform: rotate(-90deg);
    cursor:pointer;
}

JavaScript

window.onload=function(){
// Code toggle Box
    function toggleArt(article,butn){
        if (!article.style.maxHeight /*wenn noch nicht gesetzt*/
            || article.style.maxHeight == "52px") 
        {
            article.style.maxHeight = "9999px";
            /*article.style.transition= "height 1s";*/
            butn.style.transform = "rotate(0deg)";
        }
        else{
            article.style.maxHeight = "52px";
            butn.style.transform = "rotate(-90deg)";
        }
    }

	var article = document.getElementsByTagName("article");
	var butn = document.getElementsByClassName("klick");
	for (var i = 0; i < butn.length; i++){
		butn[i].setAttribute("data-i", i);
		butn[i].onclick = function(){
            toggleArt(article[this.getAttribute("data-i")],
                      butn[this.getAttribute("data-i")]
                     );
        }
    }
}