Is numeric ("-10")?

Is numeric (16)?

Is numeric (0xFF)?

Is numeric ("0xFF")?

Is numeric ("8e5")?

Is numeric (3.1415)?

Is numeric (+10)?

Is numeric (0144)?

Is numeric ("")?

Is numeric ({})?

Is numeric (NaN)?

Is numeric (null)?

Is numeric (true)?

Is numeric (Infinity)?

Is numeric (undefined)?