Comment Comment by sheept There's several web APIs for browser window positioning, like screenX/Y[0] (which is what OP uses), which allows for those classic pop-up based browser games from over a decade ago, like Browser Ball.[1][0]: demo: https://mdn.github.io/dom-examples/screenleft-screentop/[1]: https://romanbaiocco.github.io/browser-ball-reloaded/ parent sheept 3 months ago
[0]: demo: https://mdn.github.io/dom-examples/screenleft-screentop/
[1]: https://romanbaiocco.github.io/browser-ball-reloaded/