console 命令行工具 X clear

console

function allowDrop(ev)
{
	ev.preventDefault();
}

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

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

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Document</title>
</head>
<body>
  <p>拖动 <b>图片</b>到矩形框中:</p>
 
<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)" ></div>
<br>
<div id="drag1" draggable="true" ondragstart="drag(event)" style="background-color:red;height:30px;width:30px;">
  </div>
</body>
</html>

#div1 {width:350px;height:70px;padding:10px;border:1px solid #aaaaaa;}