<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.webview {
border: 1px solid black;
}
</style>
</head>
<body>
<button class="close-btn">close webview</button>
<webview class="webview" src="./webview.html"></webview>
<script>
const close = document.querySelector('.close-btn')
const webview = document.querySelector('.webview')
webview.addEventListener('close', () => {
webview.parentNode.removeChild(webview)
})
close.addEventListener('click', () => {
webview.executeJavaScript('window.close()', true)
})
</script>
</body>
</html>