gistfile1.txt

// Social Sharing URL
function social_sharing_url() {
        var base_url = document.URL.replace( /\?.*?$/, '' );
        query_params = []
        if( window.title_variation ) {
                query_params.push( [ 'title_var', window.title_variation ] );
        }
        if( window.optimizely_query_key ) {
                query_params.push( [ window.optimizely_query_key, window.optimizely_query_value ] );
        }
        jQuery( query_params ).each( function( index, value ) {
                var operator = ( index == 0 ) ? '?' : '&';
                base_url += "{0}{1}={2}".format( operator, escape( value[ 0 ] ), escape( value[ 1 ] ) );
        } );
        return base_url;
}