2021 Kent interview question 1

DOCTYPE The role of

The answer here is wrong , The rookie answered yes ： The browser judges that the file is HTML！（X）

link and @import The difference between

The rookie only answered the first difference , Of course not HR Desired , therefore HR Tell me again ！

<!- -[if lt IE 9] > Of lt What does that mean?

lt Namely less than It means

In fact, this problem is mainly HR Ask me How to be compatible with browser styles ！

The answer I give is , introduce normalize.css perhaps reset.css, Another is through js Determine the type of browser , Then introduce different styles , But I'm not sure js Which method is it , however HR What I want to answer is the way of the last picture in the first one ！

SEO in title and h1、b and strong The difference between

HR Anyway, that's what I said , Namely h1 and b If you are css Replaced style , Then it is a bold text , No longer have SEO It's searchable ！

here HR Said the ,title yes html5 New China , I thought body It's really added title label , Now a search found , This title yes head Inside ,html5 There is no title.

html New label