rem: return (data && data.join) ? true : false; 
add: return (data && data instanceof Array); 
context: dwr.util._isArray = function(data) {  return (data && data.join) ? true : false;};
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/ffdae4aa14332c0a3d3c0af2019809c4691bc9aa/util.js/buggy/java/org/directwebremoting/util.js