JavaScript Reference Material
JavaScript data types (Netscape 2.0):
Boolean          true, false
Number:Integer       1, 0, 1, 2, 3
Number:Floating Point     3.141, -3.01, 36e9
Number:Octal       05, 06, 07, 010
Number:Hexadecimal     0x8, 0x9, 0xA, 0xB
String         "cat", "dog", ""
Null         null
A JavaScript Reference/Tutorial:
http://www.w3schools.com/js/