On Sun, Oct 4, 2020 at 8:37 AM marwa hussein <marwa.huss...@gmail.com> wrote:
> Hi Thiago, > Hello! > Thanks a lot for your reply it works fine but the problem is using this > line of code in beginRender() function shows the "div" when the page is > loaded. but What I want is to show the div after a button is pressed. > In this case, just write the same JavaScript you'd do as if you weren't using Tapestry. > When I used this line of code in the onSubmit() button function it gives > me "No object of type > org.apache.tapestry5.services.javascript.JavaScriptSupport is available > from the Environment" exception!! > JavaScriptSupport is only available when the component is being rendered. Form submission is not done during rendering, so you get this exception. -- Thiago