有没有办法为HTML5中的 formAction属性设置回退？

I have a form that is supposed to dynamically change where it is submitted to. I am doing this by bringing in a submit button using ajax that has the formAction attribute set to where I want the form to submit to (I'm bringing in a number of other things as well that are dependent on the user input, but as far as I can tell have no bearing on this question). Here's an example of my submit button:I have a form that is supposed to dynamically c