<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<!-- oncontextmenu="return false", 兼容safari -->
<div style="width: 200px; height: 200px; background: gray;" id="oDiv" oncontextmenu="return false"></div>
<script>
let oDiv = document.getElementById('oDiv');
oDiv.oncontextmenu = 'return false';
oDiv.addEventListener('contextmenu', (e) => {
if (e.preventDefault) { // W3c
e.preventDefault();
} else { // IE
window.event.returnValue = false;
}
return false;
})
</script>
</body>
</html>
