jQuery UI的Draggable helper选项
jQuery UI由GUI部件,视觉效果和使用jQuery,CSS和HTML实现的主题组成。jQuery UI非常适用于构建网页的UI界面。jQuery UI的Draggable helper选项是用来设置用于拖动显示的辅助元素的。
语法:
$( ".selector" ).draggable({
helper: "clone"
});
CDN链接:首先,添加你的项目需要的jQuery UI脚本。
<link rel=”stylesheet” href=”//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css”>
<script src=”//code.jquery.com/jquery-1.12.4.js”></script>
<script src=”//code.jquery.com/ui/1.12.1/jquery-ui.js”></script>
示例:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<link rel="stylesheet" href=
"//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">
<script src=
"//code.jquery.com/jquery-1.12.4.js">
</script>
<script src=
"//code.jquery.com/ui/1.12.1/jquery-ui.js">
</script>
<style>
h1 {
color: green;
}
#div_element {
width: 150px;
height: 150px;
background: green;
display: flex;
justify-content: center;
align-items: center;
text-align: center;
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h3>jQuery UI Draggable helper Option</h3>
<div id="div_element">Div content</div>
<script>
(function () {
("#div_element").draggable({
helper: "clone"
});
});
</script>
</body>
</html>
输出: