add: return s; } 
context:     function reverse( a ) {        for ( var i = a.length -1, s = ""; i >= 0; i-- ) {            s += a[i].toString() + ( i> 0 ? "," : "" );        }        return s;    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7620c12e4ead78d7fb93f84ef0780c8c9622dfea/object-001.js/clean/js/tests/lc3/ArrayMethods/object-001.js