Mastering Google Frontend Interview Tips and Strategies

Mastering Google Frontend Interview Tips and Strategies

Table of Contents

1. Introduction
2. Google Coding Interview
3. Front-end Coding Interview
4. Algo Expert Platform
5. The Question
6. The API Call
7. Transforming the Data
8. Creating the Categories and Questions
9. Adding the Status Circles
10. Tracking Correctly Submitted Questions
11. Implementing Random Grouping

Introduction

Are You preparing for a coding interview at a Big Tech Company like Google or Meta (formerly known as Facebook)? If you are, then this article is for you! Today, we're going to simulate a Google front-end coding interview, specifically focused on building a dynamic questions list page similar to what you might encounter during your interview. We'll be using vanilla JavaScript to Interact with an API, transform the data, and Create the necessary HTML elements.

Google Coding Interview

When applying as a front-end engineer at companies like Google, you will typically face a combination of algorithm-style interviews as well as front-end-specific interviews. These interviews are designed to test your knowledge and skills in various areas of front-end development.

Front-end Coding Interview

In this coding interview simulation, we'll focus on creating a dynamic questions list page similar to what you might find on the popular platform, Algo Expert. In this front-end interview, we will be using JavaScript to interact with an API, fetch and transform data, and dynamically generate HTML elements.

Algo Expert Platform

Before we dive into the interview, let's take a moment to introduce Algo Expert. Algo Expert is a platform created by Connor, which offers comprehensive interview preparation courses for front-end and software engineers. If you're preparing for coding interviews, I highly recommend checking out Algo Expert and their Front-end Interview Prep course.

The Question

During this coding interview, we'll be tasked with creating a replica of the questions list page from Algo Expert. The page consists of four columns, each representing a category: HTML, CSS, JavaScript, and DOM. Within each category, there are multiple questions.

The API Call

To create the questions list page, we'll start by making an API call to fetch the necessary data. The API will return a JSON response containing a list of questions, along with their category and question details. We'll use this data to populate the questions list dynamically.

Transforming the Data

Once we have retrieved the data from the API, we'll need to transform it into a more structured format. Currently, the data is an array of question objects. To make it easier to work with, we'll group the questions by category using an object with category names as keys and arrays of questions as values.

Creating the Categories and Questions

With the transformed data, we can now proceed to create the categories and questions dynamically. We'll use JavaScript to generate the necessary HTML elements, such as divs, headings, and lists. Each category will be represented by a div, with the category name displayed as an h2 heading. Within each category, the questions will be displayed as divs, with the question name as an h3 heading.

Adding the Status Circles

In the questions list page, each question has a status associated with it, indicating whether it has been correctly submitted, incorrectly submitted, or partially correct. We'll add status circles to visually represent these statuses. The status circles will be displayed as divs with appropriate class names Based on the submission status.

Tracking Correctly Submitted Questions

To keep track of the number of questions correctly submitted in each category, we'll implement a counter. As we iterate through the questions, we'll increment the counter whenever a question has the "correct" status. We'll display the counter in the category heading as a fraction of the correctly submitted questions out of the total number of questions in that category.

Implementing Random Grouping

To add an extra layer of functionality to the questions list page, we can implement a "group randomly" feature. This feature allows the user to randomize the order of the questions within each category or even randomize the order of the categories themselves. We can achieve this functionality by manipulating the data object used to generate the HTML elements. By randomly shuffling the categories or questions, we can create a dynamic and interactive user experience.

Conclusion

In this coding interview simulation, we have explored the process of creating a dynamic questions list page using JavaScript, fetching data from an API, transforming the data, and generating HTML elements. We have also discussed additional features such as displaying submission statuses, tracking correct submissions, and implementing random grouping. By practicing and understanding these concepts, you'll be well-prepared for your front-end coding interviews at top tech companies.

Please let me know if you have any questions or if there's anything else I can assist you with!

Highlights:

• Simulating a Google front-end coding interview.
• Using JavaScript to interact with an API and generate dynamic HTML elements.
• Transforming data to create a structured format for easier manipulation.
• Adding submission status circles to visually represent submission statuses.
• Tracking the number of correctly submitted questions in each category.
• Implementing random grouping functionality for the questions list.

FAQ:

Q: How can I prepare for a front-end coding interview at a big tech company? A: To prepare for a front-end coding interview, it's important to practice solving coding problems, review essential front-end concepts, and familiarize yourself with common interview questions. Additionally, consider enrolling in interview preparation courses or platforms like Algo Expert, which offer specialized courses tailored to front-end engineering interviews.

Q: Is Algo Expert a good resource for front-end interview preparation? A: Yes, Algo Expert offers comprehensive interview preparation courses for front-end engineers. Their courses cover a wide range of topics specific to front-end development, helping you build the necessary skills and knowledge to excel in front-end coding interviews.

Q: How can I implement random grouping functionality in my questions list page? A: To implement random grouping, you can create an array of categories or questions in random order and use that array to generate the HTML elements dynamically. You can achieve this by shuffling the array using a randomization algorithm, like the Fisher-Yates shuffle algorithm. By dynamically updating the order of categories or questions, you can provide a randomized experience for users on your questions list page.