如何獲取瀏覽器視口尺寸？ - How to get the browser viewport dimensions?

問題：

I want to provide my visitors the ability to see images in high quality, is there any way I can detect the window size?我想讓我的訪問者能夠看到高質量的圖像，有什麼方法可以檢測窗口大小嗎？

Or better yet, the viewport size of the browser with JavaScript?或者更好的是，使用 JavaScript 的瀏覽器的視口大小？ See green area here:在此處查看綠色區域：

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解決方案：

參考一： https://stackoom.com/question/5EgL
參考二： How to get the browser viewport dimensions?