Frontend Interview Experience + Timeline + Summary LinkedIn

Given an array, find the sum and coordinates of the largest subarray
For example, [0, -1, 3, 4, -5, 0] returns { result: 7, indexes: [2, 3] }
Step by step, go through various solutions, discuss the complexity, and then write the code (Javascript) for the best solution, bug free
Finish it in advance and ask questions (interview in English, and ask questions in Chinese at the end)

System DesignThe topic is very open-ended. Design the game Hangman from the front end to the back end.
Follow up like crazy and adapt to changing circumstances
Finally, the interviewer asked me no questions, and then I asked them questions.

How to add a line of links in a div using pure JS, where the link contains the name of the person and the link to the person’s profile.
Design a mini version of LInkedIn Profile, write all HTML/JS/CSS
Plus a like function and a comment function
Finish early and start asking questions