To create a hexadecimal literal, the first digit must be a zero (0) followed by the letter x, followed by any number of hexadecimal digits (0-9 and A-F). : Integer « Number Data Type « JavaScript Tutorial






  1. JavaScript Tutorial
  2. Number Data Type
  3. Integer

The digits may be in uppercase or lowercase.

var iNum = 0x1f;
var iNum2 = 0xAB;








5.3.Integer
5.3.1.Integers
5.3.2.Integers can also be represented as either octal (base 8) or hexadecimal (base 16) literals.
5.3.3.To create a hexadecimal literal, the first digit must be a zero (0) followed by the letter x, followed by any number of hexadecimal digits (0-9 and A-F).
5.3.4.Define and use integers
5.3.5.Calculation on integers
5.3.6.Compare two numbers
5.3.7.Generate random number
5.3.8.Using Binary Flags