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<html>
<head>
<meta charset="utf-8" />
<script>
window.addEventListener("message", e => {
switch (e.data.type) {
case "focus":
window.focus();
break;
case "select": {
const text = document.body.firstChild;
document
.getSelection()
.setBaseAndExtent(text, 0, text, e.data.length);
break;
}
case "selectedOffset": {
const sel = document.getSelection();
const text = document.body.firstChild;
if (sel.anchorNode !== text || sel.focusNode !== text) {
window.parent.postMessage([-1, -1], "*");
} else {
window.parent.postMessage(
[sel.anchorOffset, sel.focusOffset],
"*"
);
}
break;
}
case "content":
window.parent.postMessage(document.body.textContent, "*");
break;
}
});
</script>
</head>
<body onload="document.body.textContent = 'elit'"></body>
</html>
|
