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Execute a script when an element is dragged in HTML?
- 王林forward
- 2023-09-16 22:05:06716browse
Use the ondragover attribute in HTML HTML to execute a script when an element is dragged in HTML.
Example
You can try running the following code to achieve ondragover Properties -
<!DOCTYPE HTML>
<html>
<head>
<style>
.drag {
float : left;
width : 100px;
height : 35px;
border : 2px dashed #876587;
margin : 15px;
padding: 10px;
}
</style>
</head>
<body>
<div class = "drag" ondrop = "drop(event)" ondragover = "dropNow(event)">
<p ondragstart = "dragStart(event)" ondrag = "draggingNow(event)" draggable = "true" id="dragtarget">Drag!</p>
</div>
<div class = "drag" ondrop = "drop(event)" ondragover = "dropNow(event)"></div>
<div id = "box"></div>
<p>Drag the left box to the right or drag the right box to the left.</p>
<script>
function dragStart(event) {
event.dataTransfer.setData("Text", event.target.id);
}
function draggingNow(event) {
document.getElementById("box").innerHTML = "Dragged successfully!";
}
function dropNow(event) {
event.preventDefault();
}
function drop(event) {
event.preventDefault();
var data = event.dataTransfer.getData("Text");
event.target.appendChild(document.getElementById(data));
document.getElementById("box").innerHTML = "The element dropped successfully!";
}
</script>
</body>
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