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'))
"null"