How to use boolean operation in Boolean Function Using XPath in Xml
In this article I will explain boolean operation of Boolean function.
Introduction
The Boolean operation in Boolean function can be used to converts the argument/parameter into the boolean format. Some points regarding the number function are:
If the argument is a positive or a negative number then the Boolean value is true.
If the argument is a zero (0) or NaN then the Boolean value is false.
If the argument is a non-empty string then it is converted to boolean value true.
If the argument is a empty string then the boolean value is false for it.
If the argument is a non-empty node-sets then it is converted to boolean value true.
If the argument is a empty node-sets then the boolean value is false for it.
Syntax
| boolean boolean (argument) |
Example
Boolean(123)
Boolean(-4321)
Boolean(NaN)
Boolean(0)
Boolean(1)
Boolean('Richa garg')
Boolean(' ')
Output
True
True
False
False
True
True
False
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