corrade-http-templates – Rev 42

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( function( factory ) {
        if ( typeof define === "function" && define.amd ) {

                // AMD. Register as an anonymous module.
                define( [ "jquery", "./version" ], factory );
        } else {

                // Browser globals
                factory( jQuery );
        }
} ( function( $ ) {
return $.ui.safeActiveElement = function( document ) {
        var activeElement;

        // Support: IE 9 only
        // IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
        try {
                activeElement = document.activeElement;
        } catch ( error ) {
                activeElement = document.body;
        }

        // Support: IE 9 - 11 only
        // IE may return null instead of an element
        // Interestingly, this only seems to occur when NOT in an iframe
        if ( !activeElement ) {
                activeElement = document.body;
        }

        // Support: IE 11 only
        // IE11 returns a seemingly empty object in some cases when accessing
        // document.activeElement from an <iframe>
        if ( !activeElement.nodeName ) {
                activeElement = document.body;
        }

        return activeElement;
};

} ) );