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腾讯秋招正式批前端面试.md

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Tencent Autumn Recruitment Official Batch Front-end Interview

The resume was submitted around 8:00 PM on September 15, 2022. There shouldn't be too many open positions at Tencent this time, and there's only one chance for the front-end written test. It seems like they scheduled the interview before the scheduled time. It's been a long time since I last interviewed with Tencent. It's quite exciting. Thanks to Tencent for the interview opportunity.

First Round

After the October 1st holiday, I kind of slacked off and my mindset changed a bit. Then suddenly Tencent called to invite me for an interview. It's really exciting as it's been a long time since I last interviewed. This time, the interview was mainly scenario-based questions, and I was a bit caught off guard. I received a call around 2:40 AM on October 11, 2022 to schedule the interview for 11:15 AM on October 12, 2022, and the interview lasted about 35 minutes.

  • Common cross-origin request methods and principles.
  • Write a wrapper method for the withJSONP request.
  • The difference between basic data types and reference data types, with two specific scenarios.
  • this in JavaScript and how to change its reference.
  • The difference between strong caching and conditional caching, and whether there will be a re-request when the conditional caching is missed.
  • If an image resource is cached for a year, how should you handle the modification of this resource.
  • The difference between git merge and git rebase.
  • The difference between the a tag in VueRouter's Link component and a self-written a tag.
  • When Promise's reject returns a value, which parameter receives it in the subsequent then method.
  • Methods to obtain all div elements on a page and the differences between HTMLCollection and NodeList collections.
  • Sorting a collection of student objects based on their grades and ages.
  • Returning an array of an arithmetic sequence given the first value, last value, and number of terms.
  • Further, if given an rgb color, how would you implement a gradient color.
  • When padding-left or padding-top is a percentage, which element is it calculated based on.
  • Implementing search results in an input box by using a given string as a condition for filtering.
  • How does a CDN determine the nearest server for the resources.

There were really a lot of scenario-based questions in this interview. It required quick thinking and coming up with feasible solutions. Some questions left me stumped, but I quite like this interview format. After all, it's been a long time since I last used my skills in this way. During the follow-up questions, I inquired about the department, and it turns out to be the "WeTest" department, which I had interned in before at Tencent. Overall, the interview went well.

Aftermath

Today I checked, and the process has ended, which was more or less expected. This year, Tencent's total headcount for all positions is in the three digits, so it's definitely not a casual program.