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Add null checking for document.activeElement

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Detail is at  https://github.com/dataarts/dat.gui/issues/159
This commit is contained in:
finscn 2017-10-27 22:49:20 +08:00 committed by GitHub
parent 2659494a80
commit af88f4c712
1 changed files with 1 additions and 1 deletions
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src/dat/gui/GUI.js
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@ -468,7 +468,7 @@ GUI.TEXT_CLOSED = 'Close Controls';
GUI.TEXT_OPEN = 'Open Controls';
GUI._keydownHandler = function(e) {
if (document.activeElement.type !== 'text' &&
if (document.activeElement && document.activeElement.type !== 'text' &&
(e.which === HIDE_KEY_CODE || e.keyCode === HIDE_KEY_CODE)) {
GUI.toggleHide();
}