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4/8/2010

Converts the argument to a Boolean.

Syntax 

		
boolean boolean(
object)

Parameters

object

Object to be converted to a Boolean.

Return Value

Converts its argument to a Boolean as shown in the following list:

  • A number is True if and only if it is neither a positive or negative zero, nor NaN.

  • A node-set is True if and only if it is non-empty.

  • A string is True if and only if its length is non-zero.

  • An object of a type other than the four basic types described in XPathis converted to a Boolean in a way that is dependent on that type.

See Also