rem: typeof fn[0] == "undefined" && /function/i.test( fn + "" ); 
add: fn.constructor != Array && /function/i.test( fn + "" ); 
context: 	isFunction: function( fn ) {		return !!fn && typeof fn != "string" && !fn.nodeName && 			typeof fn[0] == "undefined" && /function/i.test( fn + "" );	},
meta: 3749	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3749/5f340cf0d42a13af02141ec63548235f2b8823c2/jquery.js/buggy/sandbox/py-rest-doc/sphinx/style/jquery.js