return f.substr( f.lastIndexOf(".", f.length)+1, f.length ); 
return f.substr( f.lastIndexOf(".", f.length)+1, f.length ); 
function getFieldName( f ) {    return f.substr( f.lastIndexOf(".", f.length)+1, f.length );}
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/3703c3c05f398a63e55992f7687ef65273b26d6a/object-001.js/buggy/js/tests/lc3/forin/object-001.js