菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<form>
获取图片:<input type="file" id="imgfile">
</form>
<p>单击下面按钮禁用上面的选择文件按钮。</p>
<button onclick="disableElement()">禁用FileUpload</button>
<script>
function disableElement(){
	document.getElementById("imgfile").disabled=true;
}

</script>
</body>
</html>
              