boolean Function
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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 XPath is converted to a Boolean in a way that is dependent on that type.