javascript and dynamic forms (Score 1)

one method I use to avoid use of captchas is to require javascript (yes, this sucks somewhat) to use my forms. when the form is 'submitted', i dynamically add a new form element into the form and then submit the form. server side, i check for the additional form element. it works pretty well - it seems that bots don't run javascript. i've received very few complaints (2 or so in as many years) from non JS enabled people.