rem: var r = [].slice.call( first, 0 );    for ( var i = 0, sl = second.length; i < sl; i++ )  if ( jQuery.inArray( second[i], r ) == -1 )  first.push( second[i] );  
add:   for ( var i = 0; second[i]; i++ ) first.push(second[i]); 
context: 	merge: function(first, second) {		var r = [].slice.call( first, 0 );		// Now check for duplicates between the two arrays		// and only add the unique items		for ( var i = 0, sl = second.length; i < sl; i++ )			// Check for duplicates			if ( jQuery.inArray( second[i], r ) == -1 )				// The item is unique, add it				first.push( second[i] );		return first;	},
meta: 5982	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5982/f29aa679d26dfc4f883868d041c506eaee4b6064/jquery.js/clean/static/scripts/jquery.js