How to use number operation in Number Function Using XPath in Xml

In this article I will explain number operation of number function.
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Introduction

The number operation in number function can be used to converts the argument/parameter into the number format.Some points regarding the number function are:

Boolean true is converted to 1.
Boolean false is converted to 0.
The node-set is firstly converted to string and then converted as a string argument.

Syntax

number number (object?)

Example

number(3214)
number(-3241)
number('text')
number('1234'+'23')

Output

3214
-3241
NaN
1257

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