JSFiddle - React, Tailwind, and code Playground

by fredd man

HTML

<div id="mydiv5">
<div id="mydivheader5" ontouchmove="touchMove(event)">Arrastra aquí</div>


 <script>
// Make the DIV element draggable:
dragElement(document.getElementById("mydiv5"));
function dragElement(elmnt) {
  var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
  if (document.getElementById(elmnt.id + "header")) {
    // if present, the header is where you move the DIV from:
    document.getElementById(elmnt.id + "header").onmousedown = dragMouseDown;
  } else {
    // otherwise, move the DIV from anywhere inside the DIV:
    elmnt.onmousedown = dragMouseDown;
  }
function dragMouseDown(e) {
    e = e || window.event;
    e.preventDefault();
    // get the mouse cursor position at startup:
    pos3 = e.clientX;
    pos4 = e.clientY;
    document.onmouseup = closeDragElement;
    // call a function whenever the cursor moves:
    document.onmousemove = elementDrag;
  }
function elementDrag(e) {
    e = e || window.event;
    e.preventDefault();
    // calculate the new cursor position:
    pos1 = pos3 - e.clientX;
    pos2 = pos4 - e.clientY;
    pos3 = e.clientX;
    pos4 = e.clientY;
    // set the element's new position:
    elmnt.style.top = (elmnt.offsetTop - pos2) + "px";
    elmnt.style.left = (elmnt.offsetLeft - pos1) + "px";
  }
function closeDragElement() {
    // stop moving when mouse button is released:
    document.onmouseup = null;
    document.onmousemove = null;
  }
}
</script>
</div>

CSS

#mydivheader5 {
  border-radius: 15px;
  padding: 10px;
  cursor: move;
  z-index: 10;
  background-color: #2196F3;
  color: #fff;
}
#mydiv5 {
  padding: 0px;
  cursor: move;
		margin: 0px;
		position: fixed;
		right: 0px;
		top:300px;
		width: 300px;
    height: 400px;
    text-align: center;
}

JavaScript

var posX = 0;
var posY = 0;
var dragging = false;

function touchMove(event) {
  var element = document.getElementById("mydivheader5");
  if (dragging) {
    // Calculamos la nueva posición del elemento
    posX = event.touches[0].clientX - element.offsetWidth / 2;
    posY = event.touches[0].clientY - element.offsetHeight / 2;
    // Movemos el elemento a la nueva posición
    element.style.left = posX + "px";
    element.style.top = posY + "px";
  }
}

document.getElementById("mydivheader5").addEventListener("touchstart", function(event) {
  dragging = true;
  var element = document.getElementById("mydivheader5");
  // Guardamos la posición inicial del elemento
  posX = event.touches[0].clientX - element.offsetWidth / 2;
  posY = event.touches[0].clientY - element.offsetHeight / 2;
  // Movemos el elemento a la nueva posición
  element.style.left = posX + "px";
  element.style.top = posY + "px";
});

document.getElementById("mydivheader5").addEventListener("touchend", function(event) {
  dragging = false;
});