JavaScript HTML DOM Event: dragenter

The dragenter event occurs when a dragged element enters the target area. It is typically used to give the target a gentle visual highlight (e.g., a border or outline). Remember: for an actual drop you must call event.preventDefault() in the dragover handler.

EXAMPLE

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ondragenter</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

    <style>
        p {
            width: 300px;
            height: 80px;
            text-align: center;
            line-height: 5;
            border: 1px solid lightgrey;
            border-radius: 6px;
        }
    </style>
</head>
<body>
    <p id="source" draggable="true">Drag this content into the bin below.</p>
    <p id="target" ondragenter="transferContent()"></p>

    <script>
        function transferContent() {
            document.getElementById("source").innerHTML = "";
            document.getElementById("target").innerHTML = "Content transferred.";
        }
    </script>
</body>
</html>

RESULT