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Merge pull request #461 from JeLuF/dontleave

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Add event listener beforeunload
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cmdr2 2022-11-11 10:58:15 +05:30 committed by GitHub
commit f954542dda
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1 changed files with 13 additions and 0 deletions
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ui/media/js/main.js
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@ -1417,4 +1417,17 @@ document.querySelectorAll(".tab").forEach(tab => {
})
})
window.addEventListener("beforeunload", function(e) {
const msg = "Unsaved pictures will be lost!";
let elementList = document.getElementsByClassName("imageTaskContainer");
if (elementList.length != 0) {
e.preventDefault();
(e || window.event).returnValue = msg;
return msg;
} else {
return true;
}
});
createCollapsibles()