Can I apply the required attribute to <select> fields in HTML5?

Question

How can I check if a user has selected something from a field in HTML5?

I see

doesn\'t support the new

Answer 1

In html5 you can do using the full expression:

I don't know why the short expression doesn't work, but try this one.
It will solve.
    

             

                                                        
            
            

              
                
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