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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/a4b2d8f8cef9b41987ff744a26c5a99776a37d4a/object-001.js/buggy/js/tests/lc3/ArrayMethods/object-001.js