Expedia frontend — DSA, JS/React rounds + autocomplete task

Hello i got chance to gave interview in expedia group recruiter contacted me through mail. dont know the exact source where he got the reference. so recruiter told there will be four or max to max 5 rounds

First round
Problem solving, web concepts, awareness of cound these were the competencies

interview asked 2 DSA quetion I was not prepared prepared for it as i was not expecting DSA for frontend profile

https://leetcode.com/problems/two-sum/ (solved)
https://leetcode.com/problems/longest-palindromic-substring/ (solved using recursion but not able to optimize it)

result - passed

second round

Javascript, react,html, css

And some output based quetion and given one task as well but due to time constraint i only explained the approach
result - passed

Third round

advance javascript react low level design

Polyfill of reduce
how keys work in react
how use state work under the hood
how will you oiptimize your app for performance
give task to design autocomplete
how to remove duplicate for the array

Did not get any response if this round

In whole process all the interviewers were kind and quite helping
hope this help some frontend developer to get good job there is not much interview experience for fronted devs cheers