ISSUE: Can not give input on the input fields

// Make the DIV element draggable:
dragElement(document.getElementById("mydiv"));

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;
  }
}

#mydiv {
  width: 50%;
  position: absolute;
}

#mydivheader {
  padding: 1px;
  cursor: move;
  z-index: 10;
  color: rgb(211, 211, 211);
}

<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg OMhuP IlRH9sENBO0LRn5q 8nbTov4 1p" crossorigin="anonymous"></script>


<!-- Draggable DIV -->
<div id="mydiv" >
  <!-- Include a header DIV with the same name as the draggable DIV, followed by "header" -->
  <div id="mydivheader" >
    <div >
      <div >
        <div >
          <div >
            <div >
              <input type="text"  placeholder="Titel toevoegen">
            </div>
          </div>
          <br>
          <div >
            <div >
              <input type="date" id="date_start" >
            </div>
            <div >
              <input type="time" id="time_start" >
            </div>
            <div >
              <input type="time" id="time_end" >
            </div>
          </div>
          <br>
          <div >
            <div >
              <textarea  rows="6" placeholder="Beschrijving...."></textarea>
            </div>
          </div>
          <br>
          <div >
            <div >
              <input type="submit"  value="opslaan">
            </div>
          </div>
        </div>
        <div >

          <button id="hide_card" onclick="hide(event)" >X</button>
        </div>
      </div>
    </div>
  </div>
</div>

CodePudding user response：

use HTML5 Drag Event to do the Drag & Drop functionality. Here you have disabled the mouse interaction by using event.preventDefault.If you remove event.preventDefault then you will able type in there. Using above script you can move & type in the form using tab.