Instead of generating different HTML, you could have the validateForm function check the client's browser and to return true all the time on the incompatible browsers.<BR><BR>For simple form ...

HTMX is the HTML extension syntax that replaces JavaScript with simple markup. It could change the course of web development.

HTML5 offers form field validation support built into the HTML form input tags that should greatly reduce the need for JavaScript validation code. In this post, I look at some examples of this.