getStyles.js (409B)
1 define( function() { 2 "use strict"; 3 4 return function( elem ) { 5 6 // Support: IE <=11 only, Firefox <=30 (trac-15098, trac-14150) 7 // IE throws on elements created in popups 8 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" 9 var view = elem.ownerDocument.defaultView; 10 11 if ( !view || !view.opener ) { 12 view = window; 13 } 14 15 return view.getComputedStyle( elem ); 16 }; 17 } );