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javascript Programming Glossary: window.devicepixelratio

Serving high res images to retina display

http://stackoverflow.com/questions/13430828/serving-high-res-images-to-retina-display

Harder for img tag Javascript solution is about window.devicePixelRatio property. Advantage Javascript could manipulate image source... demos widgets buttons #CustomIcons Javascript Solution Use window.devicePixelRatio property to detect resolution. if window.devicePixelRatio 2.. window.devicePixelRatio property to detect resolution. if window.devicePixelRatio 2 alert This is a Retina screen Do something to manipulate image..

Sending user to their browser's Home Page using Javascript

http://stackoverflow.com/questions/1369450/sending-user-to-their-browsers-home-page-using-javascript

can then do script type text javascript isSafari3 false if window.devicePixelRatio isSafari3 true script and use this in the script above to call..

How to detect page zoom level in all modern browsers?

http://stackoverflow.com/questions/1713771/how-to-detect-page-zoom-level-in-all-modern-browsers

pixels instead of relative to default zoom multiply by window.devicePixelRatio . Old WebKit unverified parseInt getComputedStyle document.documentElement..

How can you get the CSS pixel / device pixel ratio?

http://stackoverflow.com/questions/5063489/how-can-you-get-the-css-pixel-device-pixel-ratio

css html5 share improve this question You can use window.devicePixelRatio in Webkit based browsers to get the device pixel ratio directly..

How can I detect which javascript engine (v8 or JSC) is used at runtime in Android?

http://stackoverflow.com/questions/6768474/how-can-i-detect-which-javascript-engine-v8-or-jsc-is-used-at-runtime-in-andro

20javaEnabled 28 29 20 7B 20 5Bnative 20code 5D 20 7D' if window.devicePixelRatio If WebKit browser if escape navigator.javaEnabled.toString v8string..

iPad version detection in JavaScript

http://stackoverflow.com/questions/7400489/ipad-version-detection-in-javascript

iPad 1. To distinguish iPad 2 from iPad 3 we can check a window.devicePixelRatio property since iPad 3 has Retina display with pixel ratio 2...