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BFE.devAI解答 - 前端面试问题
166. Tell us the differences about <b> <strong> <i> <em>
: Used to make text bold.
: A semantic tag used to make text bold for important information.
: Used to make text italic.
: A semantic tag used to emphasize text, which may be rendered in italics or bold depending on the browser and user settings.
The main difference between and is that is a semantic tag that indicates important text for screen readers, search engines, and other tools. On the other hand, is simply a presentational tag that changes the appearance of the text. Similarly, is presentational, while is semantic, meaning it should be used to convey meaning rather than appearance. Overall, it is recommended to use semantic tags whenever possible for improved accessibility and SEO.