To prevent a <dialog> element from closing when the Esc key is pressed, you can add an event listener for the keydown event and call preventDefault() on it when the Esc key is detected. Here’s a simple example using JavaScript:
#html #javascript
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Prevent Dialog Close</title>
</head>
<body>
<dialog id="myDialog">
<p>This dialog will not close with the Esc key.</p>
<button id="closeBtn">Close</button>
</dialog>
<button id="openDialog">Open Dialog</button>
<script>
const dialog = document.getElementById('myDialog');
const openButton = document.getElementById('openDialog');
const closeButton = document.getElementById('closeBtn');
openButton.addEventListener('click', () => {
dialog.showModal();
});
closeButton.addEventListener('click', () => {
dialog.close();
});
dialog.addEventListener('keydown', (event) => {
if (event.key === 'Escape') {
event.preventDefault(); // Prevent the dialog from closing
}
});
</script>
</body>
</html>
Review:
- Dialog Setup: The
<dialog>element is created with a button to close it. - Opening the Dialog: An event listener is added to the button that opens the dialog.
- Preventing Esc Close: The
keydownevent listener on the dialog checks for the Esc key. If it is pressed,event.preventDefault()is called, preventing the dialog from closing.
This way, the dialog will remain open even if the Esc key is pressed.
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