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Prevent empty beforeunload dialog on Internet Explorer

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This commit is contained in:
Toby Zerner 2015-09-25 23:21:10 +09:30
parent 3efbffdcec
commit f1c40eeccc
1 changed files with 1 additions and 1 deletions
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2
js/forum/src/components/Composer.js
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@ -124,7 +124,7 @@ class Composer extends Component {
// component a chance to scream at the user to make sure they don't
// unintentionally lose any contnet.
window.onbeforeunload = () => {
return (this.component && this.component.preventExit()) || null;
return (this.component && this.component.preventExit()) || undefined;
};
const handlers = {};