rem: return f.substr( f.lastIndexOf(".", f.length)+1, f.length ); 
add: return f.substr( f.lastIndexOf(".", f.length)+1, f.length ); 
context: function getFieldName( f ) {    return f.substr( f.lastIndexOf(".", f.length)+1, f.length );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/e0e327827f663f9352c9533aaa13268e295862ea/object-001.js/clean/js/tests/lc3/forin/object-001.js