Tag：Interview questions
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Time：2020-11-23
Today’s knowledge points (November 5, 2020) – day 569（I’m going to make a question, too) [html] What are the mandatory requirements for XHTML? [css] Why doesn’t setting the width of an element sometimes work? [js] How do closures form? [soft skills]What are the differences between pipeline mechanism and non pipeline handling in HTTP version 1.1? […]
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Time：2020-11-22
Specially do a summary of front-end learning resources to facilitate their own learning and reference, and make common progress with friends. This thought that their own collection of sites, can be quickly completed, did not expect a summary into the deep sea. There are still many deficiencies & omissions, welcome to add. If there are […]
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Time：2020-11-21
Today’s knowledge points (November 6, 2020) – day 570（I’m going to make a question, too) [html] What are the better tags for HTML5 semantics? [css] If you set the font of an element to: font- size:18 If the unit PX is not written, will there be a unit of PX by default? [js] Do you […]
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Time：2020-11-21
Today’s knowledge points (October 29, 2020) – day 562（I’m going to make a question, too) [html] Have you ever used the BDI tag? What application scenarios does it have? [css] There are several kinds of positioning through CSS, and what positioning are they relative to? [js] Where will a JS request have cache processing? [soft […]
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Time：2020-11-18
Today’s knowledge points (August 6, 2020) – day 478（I’m going to make a question, too) [html] Please use canvas to draw an ellipse [css] Please give an example width:fit-conten What are the usage scenarios [js] Randomly generate a captcha of specified length [soft skills]We often use ping command. Do you know its function and principle? […]
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Time：2020-11-18
Title FromhereThe author answers the knowledge questions and the experience questions. There are some omissions in the answers. I hope you can add themInterview questions you can use (1) For you to summarize a complete 2020 “big factory latest frequently asked IOS interview questions + answers”,Answers to interview questions、Review materials, bothFull PDF version, need small […]
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Time：2020-11-18
Today’s knowledge points (March 7, 2020) – day 326 [HTML] HTML5 how to keep it from returning to the previous page by clicking the return key? What do the letters in [CSS] color HSLA mean? [JS] for example, why is es module better than commonjs module? [soft skills] what are you up to recently? In […]
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Time：2020-11-16
Kwai, quick shadow App protection is using the same set of code, anti debugging is also very easy, please look at the process. >As a developer, it is very important to have a learning atmosphere and a communication circle. This is my ownIOS communication groupNo matter you are Xiaobai or Daniel, welcome to join us. […]
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Time：2020-11-16
Today’s knowledge points (August 7, 2020) – day 479（I’m going to make a question, too) [html] Use canvas to draw a gradient rectangle [css] What happens when the value of background or background image in CSS is URL () or URL (ා)? Why? How to solve it? [js] In browser window.length What’s the result? Why? […]
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Time：2020-11-16
In the Analects of Confucius, Zeng Zi said:“I look at myself three times a day”I reflect on myself many times a day.Front end interview daily 3 + 1 questions, with interview questions to drive learning, every day progress a little bit!Let effort become a habit, let struggle become a kind of enjoyment!believeinsistThe power of!!! Learning […]
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Time：2020-11-13
Today’s knowledge points (August 20, 2020) – day 492（I’m going to make a question, too) [html] What pits have you encountered when using canvas? How was it solved? [css] Which CSS feature do you like best? Why? [js] A function sum is implemented to meet the following requirements: [soft skills]How does HTTPS ensure the security […]
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Time：2020-11-11
Promise interview question source network Interview question 1 const promise = new Promise((resolve, reject) => { console.log(1) resolve() console.log(2) }) promise.then(() => { console.log(3) }) console.log(4) Operation results: 1 2 4 3 Explanation: promise constructor is executed synchronously,promise.thenFunctions in are executed asynchronously. Interview question 2 const promise1 = new Promise((resolve, reject) => { setTimeout(() => […]
