How to get the real screen size(screen resolution) by using js

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How to get the real screen size(screen resolution) by using js

https://stackoverflow.com/questions/65462643/how-to-get-the-real-screen-sizescreen-resolution-by-using-js

function getResolution() {
  const realWidth = window.screen.width * window.devicePixelRatio;
  const realHeight = window.screen.height * window.devicePixelRatio;
  console.log(`Your screen resolution is: ${realWidth} x ${realHeight}`);
}

// test
getResolution();
// Your screen resolution is: 3840 x 2160

盗版

https://www.debugcn.com/en/article/44749128.html

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iMac 5K

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dell 4K

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https://www.cnblogs.com/xgqfrms/p/14205521.html

https://www.cnblogs.com/xgqfrms/tag/screen%20size/