Ideas2IT Technologies Front end Developer Interview Questions and Answers for Experienced

Round duration - 60 minutes
Round difficulty - Easy

It was a different and unique kind of mcq and coding test that I was gone through. It was like a chat application where Bot was sending some mcq question and I had to select the correct answer, sometimes when my answer goes wrong it gave another chance on the same time. All the mcq questions were based on HTML, CSS and JavaScript. And the last question was a JavaScript coding question in which we have to find the most occurred word in the given sentence.

Q1. 
Most Frequent Non-Banned Word Problem Statement
Given a paragraph consisting of letters in both lowercase and uppercase, spaces, and punctuation, along with a list of banned words, your task is to find th...read more
Ans. 
Find the most frequent word in a paragraph that is not in a list of banned words.
• Split the paragraph into words and convert them to uppercase for case-insensitivity.

• Count the frequency of each word, excluding banned words.

• Return the word with the highest frequency in uppercase.
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Round duration - 45 minutes
Round difficulty - Easy

Discussion on Projects that i have specified in my resume and also the interviewer asked question based on JavaScript concept along with few easy kind of DSA problem.

Q1. 
Palindrome String Validation
Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols.
Note:
The string 'S' should be evaluated in a case...read more
Ans. 
Validate if a given string is a palindrome after removing special characters, spaces, and converting to lowercase.
• Remove special characters and spaces from the input string

• Convert the string to lowercase

• Check if the modified string is equal to its reverse to determine if it's a palindrome
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Data structures were there for both the questions. Linked list and tree questions where asked

Long coding high level

Q1. Benefits and all only about the company
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Q1. JavaScript based, reduce, map, Database indexing
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It's more deficult it's not easy round

Q1. Speed and distance
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Q2. Age problem and ratioo
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Q1. Laravel Question
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Q1. Salary Discussion
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Medium to hard questions based on arrays, dp

Q1. Quick sort algorithm
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divides array into smaller sub-arrays based on a pivot element

• Recursively sorts sub-arrays

• Combines sorted sub-arrays to get final sorted array

• Time complexity: O(n log n) on average, O(n^2) worst case

• Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
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Q2. Modified rotate a matrix
Ans. 
Rotate a matrix by 90 degrees in place
• Transpose the matrix

• Reverse each row of the transposed matrix
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