Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
像 SVG 这样的矢量图形与像 PNG 这样的光栅图形在缩放网页时仍然看起来不错。随着移动设备的广泛使用,这是矢量图形的一大优势。但是是否也有任何性能下降?