hydrogen-web/prototypes/webkit-blob-sandbox-fail/index.html

38 lines
1.5 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<iframe id="iframe" sandbox="allow-scripts allow-downloads allow-downloads-without-user-activation"></iframe>
<script type="text/javascript">
const iframeHtml = `
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<button id="download">Download</button>
<a id="link" href="#">Link to progamatically click</a>
<script type="text/javascript">
var link = document.getElementById("link");
var button = document.getElementById("download");
function download(str, filename) {
var url = "data:text/plain;base64," + btoa(str);
link.href = url;
link.download = filename;
link.innerText = url;
link.click();
URL.revokeObjectURL(url);
}
button.addEventListener("click", function(event) {
download("hello world", "hello world.txt");
});
</${"script"}>
</body>
</html>`;
document.getElementById("iframe").setAttribute("srcdoc", iframeHtml);
</script>
</body>
</html>