Front-end interview daily 3+1-day 867

Today's knowledge points (2021.08.30)-day 867 ( I also have to )

• [html] Use css to draw a dynamic ribbon
• [css] How to turn "【】" upside down in CSS?
• [js] explain the function of the Delete operator
• [Soft Skill] Do you like mountain climbing?

"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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[Recommendation] Welcome to toss the front-end with jsliang, organize the front-end knowledge systematically, and currently toss 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, charging and 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 16134e281bcb4a).
• I hope everyone in the front-end circle of exaggerating calm , and 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 frantically questions. It is recommended that 16134e281bcb88 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 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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