On Fri, 18 Oct 2019, Pedro Pablo Oviedo Vera wrote: > Uhmmm ...still pas2js 1.4.16 in web.pas TJSWindow class does not has a > postMessage method... Together with some other changes, I pushed that to the SVN repo, but it will only be in trunk. Maybe it can be backported to a 1.14.8, if we release one. Michael.