5/31/2023 0 Comments Javascript get screeny![]() Ignore rc.w and rc.h being undefined in the above code, it is irrelevant to the question. But, I have no clue how to access the XUL tree that defines the browser UI. So one idea I have is, since the UI of firefox is an XUL document, I should be able to get the menubar, tab bar etc etc and find the browser areas absolute offset. I can even use native code (Win32) via js/ctypes so I tried to see if I could use FindWindow() / GetWindowRect() to get it, but the whole of firefox is a single HWND, the controls are all not native windows. How do I detect the offset of the client area of the actual rendering area of the browser? receiver: It represents the proxy or an object which is inherited from the proxy. property: It represents the property to be get. The screen.width property returns the width of the visitors screen in pixels. This handles scrolling and zooming, but the values I get are relative to the browser window, and not the screen. Syntax: get: function (target, property, receiver) Parameters: target: It represents the target object. Var scale = gDomWindowUtils.screenPixelsPerCSSPixel Example 1 Open a new window with a specified left and top position, and return its coordinates: const myWin window.open('', '', 'left700,top350,width200,height100') let x myWin.screenX let y myWin.screenY Try it Yourself More examples below. GDomWindowUtils.getScrollXY(false, x, y) The Window property screen returns a reference to the screen object associated with the window. API designers who don't expose something this obvious because they can't think of a case where it's needed must both lack foresight and have delusions of omniscience. If you havent set up Zeplins Javascript SDK before, check out our previous blog post. Now I have it mostly covered : var gDomWindowUtils = window.QueryInterface() No, there are many cases where knowing physical properties like DPI and screen dimensions from software-including from as high a level as Javascript-is useful. Getting a list of screens for each project. 4: the fifth button is pressed, usually the Browser Forward button. 3: the fourth button is pressed, usually the Browser Back button. 2: the secondary button is pressed, usually the right button. ![]() I have a firefox extension that needs to get the exact screen co-ordinates of a DOM element and passes it to a native DLL via js/c-types. 1: the auxiliary button is pressed, usually the middle button or the wheel button.
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