Index
 
  The Wiring 1.0 _ALPHA_ Reference is a work in progress.
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Name  

! (logical NOT)

   
Examples   






	


	

		Description
		 
	
	
Inverts the Boolean value of an expression. Returns true if the expression is false and returns false if the expression is true. If the expression (a>b) evaluates to true, then !(a>b) evaluates to false. 	

           
 
            
             
             
          


	

		Syntax
		 
	
	

!expression

	

           
 
            
             
             
          


	

		Parameters
		 
	
	


expression
 
any valid expression



           
 
            
             
             
          


	

		Usage
		 
	
	
Web & Application	

           
 
            
             
             
          


	

		Related
		 
	
	
|| (logical OR)
&& (logical AND)
if()