Printpreview page not showing in firefox
firefox, javascript
Solution
In Firefox, this is not possible. Your only option is calling `window.print`, which only opens the Print dialog. Firefox extensions are able call `PrintUtils.printPreview`, which opens the Print Preview window, but this API is not visible from the JavaScript code of webpages.
Source: Mozilla Support
Problem
By using `window.print()` in JavaScript, it does show a print preview in Google Chrome, but not in Firefox. Is there any solution for this?