Decimal numbers / Caution when using leading zeros: 0888 / 888 parsed as decimal 0777 / parsed as octal in non-strict mode (511 in decimal).
The Number prototype provides methods for retrieving information from Number objects in various formats.
Octal syntax isn't part of ecmascript 5, but it's supported in all browsers by prefixing the octal number with a zero: and"045" ".
Then a statement appends a seconds value to temp in the same way.
Sinh, cosh, tanh Hyperbolic functions; argument in hyperbolic angle.