Front-end interview daily 3+1-day 878

Today's knowledge points (2021.09.10)-878th day ( I also have to )

• [html] Use HTML5 to draw a mineral water bottle
• [css] Please explain what is the difference between mobile first strategy and adaptive design?
• [js] Write a method to find the difference of two two-dimensional arrays
• [Soft Skills] web page can optimize performance from what?

"The Analects", Zeng Zi said: "My body is three (I reflect on myself many times a day).
Front-end interview 3+1 questions every day, use interview questions to drive learning, and make a little progress every day!
Let hard work become a habit, let struggle become a kind of enjoyment!
Believe that insists on the power of ! !

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Project address: Front-end interview daily 3+1
[Recommendation] Welcome to toss the front-end with jsliang, organize the front-end knowledge systematically, and is currently tossing LeetCode, intending to get through the two channels of both the algorithm and the data structure. GitHub address

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• Learning does not close, refueling is only for meet a better self , 365 days without holidays, every morning at 5 o'clock in the morning hand-published yourself, everyone 16142b33d2ab4c).
• I hope everyone in this exaggerated front-end circle, keep calm , insist on spending 20 minutes every day to learn and think.
• In this ever-changing front-end with endless class libraries, it is recommended that you don't wait until you are looking for a job to rush the questions. It is recommended that learn every day! ( not forget the original intention of , html, css, javascript are the cornerstones!)

• Welcome to Issues , encourage PR , thank Star , if you have any good suggestions, you can share with me on WeChat to discuss!

  I hope you daily to learning and thinking, to achieve this aim here! ! ! (Don't come for anyone, come for yourself!)

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