關於「JS get browser info」標籤，搜尋引擎有相關的訊息討論：

How to get OpenGL version using Javascript? - Stack Overflowstackoverflow.com › questions › how-to-get-opengl-versio...Browser detection using the user agent - HTTP - MDN Web Docsdeveloper.mozilla.org › References › HTTPWebGLRenderingContext: getParameter() method - Web APIs |