Disable button whenever a text field is empty dynamically

Question

Here\'s my code:

 0) document.getElementById(\'start_button\').disabled = false; else document.get         


        

Answer 1

Easiest way to do it :-

Simple Html and JavaScript : Run the snippet (Just 7 lines)

function success() {
	 if(document.getElementById("textsend").value==="") { 
            document.getElementById('button').disabled = true; 
        } else { 
            document.getElementById('button').disabled = false;
        }
    }

Send

I have used textarea, but you can use any html input tags and try it out! Happy coding!