[Javascript] Form change

[lists at dwsasia.com (Peter Lauri)]

Best group member,

This is my first message to this Mailing List, and this question has
probably been discussed, but I did not find any search function in the
archive at https://lists.LaTech.edu/mailman/listinfo/javascript

I have a form that I do some check via JavaScript. When the form gets focus
or loses focus I would like to do check the input fields. This is how I do
it now:

<form>
<input onChange="checkFormData();">
<input onChange="checkFormData();">
<input onChange="checkFormData();">
</form>

But I would like it to be:
<form onChange="checkFormData();">
<input>
<input>
<input>
</form>

According to reference material online (w3schools.com) there is no function
to execute script if form has been changed.

Have I been searching in the wrong reference materials? Or can this be done?

Best regards,
Peter Lauri