CONSOLE MESSAGE: line 1223: The console function $() has changed from $=getElementById(id) to $=querySelector(selector). You might try $("#%s") Tests that command line api works. String($0) "[object HTMLParagraphElement]" $3 undefined String(keys([3,4])) "0,1" String(values([3,4])) "3,4" String($('#foo')) "[object HTMLParagraphElement]" String($('#foo', document.body)) "[object HTMLParagraphElement]" String($('#foo', 'non-node')) "[object HTMLParagraphElement]" String($('#foo', $('#bar'))) "null" String($$('p#foo')) "[object NodeList]" String($$('p#foo', document.body)) "[object NodeList]" String($('foo')) The console function $() has changed from $=getElementById(id) to $=querySelector(selector). You might try $("#foo")