console 命令行工具 X clear

console

function allowDrag(ev){
  ev.preventDefault();
}
function Drag(ev){
  ev.dataTransfer.setData("Text",ev.target.id);
}
function Drop(ev){
  ev.preventDrfault();
  var data=ev.dataTransfer.getData("Text");
  ev.target.appendChild(document.getElementById(data));
}

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>test2</title>
</head>
<body>
  <div id="div1" ondrop="Drop(event)" ondragover="allowDrag(event)">
    <img src="D:\notes2019\201906\20190610102720.png" draggable="true" ondragstart="Drag(event)" id="drag1" width="336" height="69"/>
  </div>
  <div id="div2" ondrop="Drop(event)" ondragover="allowDrag(event)"></div>
</body>
</html>