How to disable submit button once it has been clicked?

Question

I have a submit button at the end of the form.

I have added the following condition to the submit button:

onClick=\"this.disabled=true;
this.value=\'         


        

Answer 1

You need to disable the button in the onsubmit event of the

:

    
    Post

Note: this way if you have a form element which has the required attribute will work.