JSFiddle - React, Tailwind, and code Playground

by Sascha

HTML

<!DOCTYPE HTML>
<html>
<head>
<style>
#div1 {
  width: 350px;
  height: 70px;
  padding: 10px;
  border: 1px solid #aaaaaa;
}
</style>
<script>
function allowDrop(ev) {
  ev.preventDefault();
}

function drag(ev) {
  ev.dataTransfer.setData("Text", ev.target.id);
}

function drop(ev) {
  var data = ev.dataTransfer.getData("Text");
  ev.target.appendChild(document.getElementById(data));
  ev.preventDefault();
  focusInputElement();
}

function focusInputElement() {  
  document.getElementById('inputEl').focus();
}
</script>
</head>
<body>

<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br>
<p id="drag1" draggable="true" ondragstart="drag(event)">This is a draggable paragraph. Drag this element into the rectangle.</p>
<input id="inputEl" type="text" autofocus />
<button onclick="focusInputElement()">focus</button>

</body>
</html>