Simplify the PDFViewerApplication.supportsFullscreen
getter
#13940
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Use optional chaining even more in the
web/app.js
fileSimplify the
PDFViewerApplication.supportsFullscreen
getterA lot of the code in this getter has existed ever since the initial PresentationMode-implementation was first added all the way back in PR Presentation Mode - Replaces #1388 #1938 (which is nine years ago now).
At this point in time however, there's now a simpler way detect if a browser supports the FullScreen API and we should thus be able to simplify this getter; please refer to https://developer.mozilla.org/en-US/docs/Web/API/Document/fullscreenEnabled#browser_compatibility