[英]Javascript drag and drop functionality issue
<!DOCTYPE HTML>
<html>
<head>
<style>
#div1 {
width: 350px;
height: 70px;
padding: 10px;
border: 1px solid #aaaaaa;
}
</style>
<script>
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));
}
</script>
</head>
<body>
<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br>
<img id="drag1" src="img_logo.gif" draggable="true" ondragstart="drag(event)" width="336" height="69">
</body>
</html>
Here is my code above.这是我上面的代码。
I wants to drag one html element from one div to another with out removing the primary element.我想将一个 html 元素从一个 div 拖到另一个 div 而不删除主要元素。
When i am dragging element from one div to another it is going there but replacing the primary element.当我将元素从一个 div 拖到另一个 div 时,它会去那里但替换主要元素。 I wants my primary element should be stay steady on his own position after drop also.我希望我的主要元素也应该在下降后保持稳定在自己的位置上。
Please have a look and let me know there is any way...请看看,让我知道有什么办法...
clone primary element then add using 克隆主元素然后添加使用
var cln = date.cloneNode(true);
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"); let item = document.getElementById(data); var cln = item.cloneNode(true); ev.target.appendChild(cln); }
#div1 { width: 350px; height: 70px; padding: 10px; border: 1px solid #aaaaaa; }
<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div> <br> <img id="drag1" src="img_logo.gif" draggable="true" ondragstart="drag(event)" width="336" height="69">
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