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content / test / data / prerender / cross_origin_srcdoc_sandboxed_postmessage.html [blame]
<html>
<head>
<title>Test: sandboxed-srcdoc iframe with postMessage from parent</title>
</head>
<body>
<script>
const child_response_promise =
new Promise(resolve => {
window.addEventListener("message", (event) => {
console.log('parent received: ' + event.data);
resolve();
});
});
const prerender_handler_promise =
new Promise(resolve => {
document.onprerenderingchange = () => {
console.log('parent onprerenderingchanged');
resolve();
};
});
function createSrcdoc() {
const frm = document.createElement('iframe');
frm.sandbox = 'allow-scripts';
frm.onload = () => {
frames[0].postMessage("hello","*");
};
frm.srcdoc =
'<html><body><script>' +
' window.addEventListener("message", (event) => { ' +
' const target = event.source; ' +
' console.log("srcdoc received: " + event.data); ' +
' target.postMessage(event.data + " from srcdoc", "*");' +
' }); ' +
'console.log("srcdoc loaded!");' +
'</scr' + 'ipt></body></html>';
document.body.append(frm);
}
</script>
</body>
</html>