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vmars316

Why does <textarea> cancel drag element ?

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Hello & Thanks for your Help :

When <textarea> is enabled , it cancels drag element movement .

	<div id="mydiv">
  <div id="mydivheader">Click here to move</div>
<!--    <textarea rows="4" cols="10">  -->
    <p contenteditable="true">paragraph 2</p>
</div>
	
<!DOCTYPE html>
<html>
<style>
#mydiv {
  position: absolute;
  z-index: 9;
  background-color: #f1f1f1;
  text-align: center;
  border: 1px solid #d3d3d3;
}

#mydivheader {
  padding: 10px;
  cursor: move;
  z-index: 10;
  background-color: #2196F3;
  color: #fff;
}
</style>
<body>

<h5>Draggable DIV Element</h5>

<p>Click and hold the mouse button down while moving the DIV element</p>

<div id="mydiv">
  <div id="mydivheader">Click here to move</div>
<!--    <textarea rows="4" cols="10">  -->
    <p contenteditable="true">paragraph 2</p>
</div>

<script>
//Make the DIV element draggagle:
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;
  }
}
</script>

</body>
</html>

Can anyone show me how to fix it ?

Thanks

Edited by vmars316
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