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Diffstat (limited to '')
| -rw-r--r-- | dom/base/crashtests/1566310.html | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/dom/base/crashtests/1566310.html b/dom/base/crashtests/1566310.html new file mode 100644 index 0000000000..f00b168b70 --- /dev/null +++ b/dom/base/crashtests/1566310.html @@ -0,0 +1,24 @@ +<!doctype html> +<html> +<head> +<script type="text/javascript"> +function noop() {} +function crash() { + let div = document.querySelector("div"); + let ifr = document.querySelector("iframe"); + + // We need a reference to the iframe's window from *before* it gets detached. + let win = ifr.contentWindow; + + div.appendChild(ifr); + + win.addEventListener("beforeunload", noop); + win.removeEventListener("beforeunload", noop); +} +</script> +</head> +<body onload="crash()"> + <div></div> + <iframe></iframe> +</body> +</html> |