HTML display result in text (input) field?

Question

I have a simple HTML form, with 3 input field, when you hit = button, it suppose to add 2 numbers that you typed in the first 2 input fields and display result in 3rd filed.

Answer 1

 
      
        

        
      

      
        

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This should work properly. 1. use .value instead of "innerHTML" when setting the 3rd field (input field) 2. Close the input tags