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polyfill-service

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{ "browsers": { "safari": "4 - 9.1", "ie": "6 - 10", "firefox": "<=17", "ios_saf": "<9.3" }, "spec": "http://dev.w3.org/csswg/cssom-view/#dom-window-devicepixelratio", "docs": "https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio", "notes": [ "This polyfill just sets `devicePixelRatio` to 1 without attempting to measure it.", "Older versions of Firefox are known to incorrectly alter the DPR on user zoom, but we don't (currently) correct for this" ] }