June 
	   26th,
	   
	   2017
	 
	  
	   
	  
		
		
		  
		
		
		  
		
		
      
      
    
    
		
		
	
	
	
Accessing a function without () will return the function definition instead of the function result:
function toCelsius(fahrenheit) {
    return (5/9) * (fahrenheit-32);
}
document.getElementById("demo").innerHTML = toCelsius;  // function toCelsius(f) { return (5/9) * (f-32); }