Front-end interview daily 3+1-day 796

Today's knowledge points (2021.06.20)-796th day ( I also have to )

• [html] Use canvas to draw a
• [css] Use CSS3 to realize the animation effect that simulates the divergence of radar waves
• [js] What is negative infinity?
• [Soft Skills] Talk about your understanding of family harmony

"The Analects", Zeng Zi said: "My day and my body are 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 and organize the front-end knowledge systematically. I am currently tossing LeetCode and plan to get through the two lines of both algorithms and data structures. GitHub address

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• Learning does not close, charging and refueling is only for meet a better self , 365 days without holidays, every morning at 5 o'clock in the morning hand-issued yourself, everyone e160d7793a1).
• 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 and then frantically questions. It is recommended to learn daily! ( not forget the original intention , html, css, javascript are the cornerstones!)

• Welcome to Issues communicate, encourage PR , thank Star , if you have any good suggestions, you can add me to WeChat to discuss together!

  I hope you every to learn and think, so that you can achieve the purpose of coming here! ! ! (Don't come for anyone, come for yourself!)

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