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nest-open-source
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manifest_repos
/
chromium_src
/
1389d67935ffbffe8a70c1fa06867f6cf7ecf464
/
.
/
chromium
/
src
/
third_party
/
blink
/
web_tests
/
external
/
wpt
/
html
/
browsers
/
browsing-the-web
/
unloading-documents
/
beforeunload-on-history-back-1.html
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<!doctype html>
001-1
<script>
addEventListener
(
"beforeunload"
,
function
()
{
top
.
t
.
step
(
function
()
{
top
.
beforeunload_fired
=
true
})},
false
);
</script>