And there are other technologies we're not going to discuss, like Cascading Style Sheets or CSS and JavaScript, which can be embedded into HTML pages and do even fancier things.

还有其他我们不打算讨论的技术，例如层叠样式表或 CSS 和 JavaScript，它们可以嵌入到 HTML 页面中，甚至可以做更奇特的事情。