Add-ons let millions of Firefox users enhance and customize their browsing experience. If you're a Web developer and know <a href="https://developer.mozilla.org/docs/Web/HTML">HTML</a>, <a href="https://developer.mozilla.org/docs/Web/JavaScript">JavaScript</a>, and <a href="https://developer.mozilla.org/docs/Web/CSS">CSS</a>, you already have all the necessary skills to make a great add-on.
附加组件让超过数百万的 Firefox 用户能够增强和定制自己的浏览体验。如果您是一名网页开发者并且熟悉 <a href="https://developer.mozilla.org/docs/Web/HTML">HTML</a>、<a href="https://developer.mozilla.org/docs/Web/JavaScript">JavaScript</a> 和 <a href="https://developer.mozilla.org/docs/Web/CSS">CSS</a>，您就已经可以有所有必要的技能来制作一个超棒的附加组件了。