diff options
Diffstat (limited to 'ui')
| -rw-r--r-- | ui/jquery.ui.draggable.js | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js index 2bdc20255..3b18f28f0 100644 --- a/ui/jquery.ui.draggable.js +++ b/ui/jquery.ui.draggable.js @@ -76,9 +76,19 @@ $.widget("ui.draggable", $.ui.mouse, { _mouseCapture: function(event) { - var o = this.options; - - $( document.activeElement ).blur(); + var document = this.document[ 0 ], + o = this.options; + + // support: IE9 + // IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe> + try { + // Support: IE9+ + // If the <body> is blurred, IE will switch windows, see #9520 + if ( document.activeElement && document.activeElement.nodeName.toLowerCase() !== "body" ) { + // Blur any element that currently has focus, see #4261 + $( document.activeElement ).blur(); + } + } catch ( error ) {} // among others, prevent a drag on a resizable-handle if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) { |