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Code Issues Releases Wiki Activity

Fix problem with "null" message when unloading under IE11

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Fixes #457
This commit is contained in:
Jermolene 2014-03-04 22:21:18 +00:00
parent bbfb855c2e
commit 67f3d58f71
1 changed files with 1 additions and 1 deletions
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2
core/modules/startup.js
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@ -75,7 +75,7 @@ exports.startup = function() {
if($tw.browser) {
// Set up our beforeunload handler
window.addEventListener("beforeunload",function(event) {
var confirmationMessage = null;
var confirmationMessage = undefined;
if($tw.syncer.isDirty()) {
confirmationMessage = "You have unsaved changes in TiddlyWiki";
event.returnValue = confirmationMessage; // Gecko