Constants

Question: What types of numbers can I use in JavaScript code?

Answer: In JavaScript code, you can use the following forms of numbers:

• conventional decimal numbers:
  5 137 1.3
• decimal numbers in exponential form:
  6.67e-11
-1.127e20
• octal numbers, for example:
  01234 -077 0312
  Positive octal numbers must begin with 0 (zero) and negative octal numbers must begin with -0.
• hexadecimal numbers, for example:
  0xFF -0xCCFF 0xabcdef
  Positive hexadecimals must begin with 0x and negative hexadecimals must begin with -0x.

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