How can I count the number of elements with same class?

Question

I have a main div in my page with a specific id. Now some input elements of the same class are present in this div. So how can I count the number o

Answer 1

Simplest example:

document.getElementById("demo").innerHTML = "count: " + document.querySelectorAll('.test').length;

    
    
    

    

      
Coffee
      
Milk
      
Soda