100 Technical Front End Developer Interview Questions

Land Your Dream Job: A Roadmap Through 100 Technical Front End Developer Interview Questions

What you'll learn

Master 100 technical front-end interview questions.

Develop problem-solving skills and in-depth understanding of front-end concepts.

Explore various coding applications and real-world scenarios.

Hone your ability to implement efficient solutions to front-end challenges

Apply your front-end knowledge to practical, interview-focused projects.

Analyse and optimise your coding solutions to excel in technical interviews and advance in your front-end development career.

Requirements

A fundamental grasp of programming concepts and languages.

Basic familiarity with front-end development tools.

Understanding of HTML, CSS, and JavaScript fundamentals.

Description

Gear up for success with our "100 Technical Front End Interview Questions" course – a comprehensive journey through essential concepts and skills needed to excel in front-end development interviews. Whether you're a seasoned developer or just starting your coding adventure, this course is tailored to elevate your interview performance and enhance your front-end expertise.Hands-On Learning:Immerse yourself in a dynamic learning experience with hands-on coding projects. From HTML and CSS to JavaScript, Git, React, and Angular, this course goes beyond theory, providing practical skills to tackle real-world front-end challenges.Course Benefits:Comprehensive Skill Development: This course covers a wide range of topics, from fundamental programming concepts to advanced JavaScript, Git, and popular frontend frameworks like React and Angular. By the end, you'll have a well-rounded skill set in web development.Practical Application: Each section includes practical examples and real-world scenarios, ensuring that you not only understand theoretical concepts but can also apply them in actual projects.In-Depth JavaScript Understanding: The course delves into JavaScript intricacies, covering synchronous and asynchronous programming, algorithms, and best practices. This provides a solid foundation for building dynamic and efficient web applications.Version Control Mastery: With a dedicated section on Git, you'll learn the ins and outs of version control systems, enabling you to collaborate seamlessly with others on software projects.Framework Proficiency: Gain hands-on experience with popular frontend frameworks like React and Angular. Understand their core concepts, enabling you to build modern, scalable, and maintainable web applications.Interview Preparation: The course goes beyond technical skills, offering insights into interview preparation, including researching companies, practicing common questions, and presenting your achievements effectively.Course Outline:The course kicks off with a comprehensive introduction covering the essential tools for development, a comparison between static and dynamic languages, and an exploration of object-oriented programming. It also touches on critical concepts like functional programming versus object-oriented programming, the distinctions between Agile and Scrum methodologies, and the principles of writing clean code.HTML: Moving into the core of web development, the HTML section begins with an exploration of HTML structure. It then delves into the importance of semantic HTML, the role of the HTML head tag, and the distinctions between span and div elements. The section also covers practical aspects such as drawing circles in HTML and incorporating CSS into HTML documents.CSS: The CSS segment provides a comprehensive understanding of cascading style sheets. Topics covered include CSS properties, terminologies, specificity, and the box model. More advanced concepts such as CSS custom properties, pseudo-classes, and Z-index are explored. The section also introduces the difference between visibility hidden and display none, the principles of CSS, preprocessor usage, and the comparison between CSS flexbox and grid systems.JavaScript (Synchronous and Asynchronous): The JavaScript section takes a deep dive into the language, covering fundamental topics like data types, variable declaration, and pass-by-value versus pass-by-reference. It progresses to more nuanced aspects such as 'this' in JavaScript, type coercion, and the use of the delete operator. The section also explores advanced JavaScript concepts, including closures, naming conventions, and coding standards. Asynchronous JavaScript is extensively covered, addressing timers, async/await, and promises.JavaScript Algorithms: The algorithms section provides practical insights into problem-solving with JavaScript. Specific algorithms covered include Fizz Buzz, Ransom Note, IsPalindrome, and Reverse Words.Git: The version control segment introduces Git and its role in the development process. It covers key Git commands, push and pull operations, conflict resolution, stash functionality, and the distinctions between merge and rebase.React Js: The React section starts with JSX and progresses to the virtual DOM, React extensions, event handling, and the core concept of components. It also covers state management, higher-order components, and the implementation of React routing.Angular: Angular is explored in-depth, covering data binding, TypeScript, AoT compilation versus JiT, pipes, promises, observables, form controls, and form groups. The section also introduces concepts like eager and lazy loading and string interpolation.Interview Preparation: The course concludes with a practical guide to interview preparation. It covers researching companies, practicing common interview questions, showcasing achievements, developing thoughtful questions to ask interviewers, and considering appearance factors during interviews.FAQs:Q: Is this course suitable for beginners?A: Yes, the course is designed to cater to both beginners and seasoned developers, providing a comprehensive understanding of front-end development.Q: How long is the course?A: The course is self-paced, allowing you to progress at your own speed. On average, it may take a few weeks to complete, depending on your schedule and prior knowledge.Q: Are there any prerequisites?A: Yes, a fundamental grasp of programming concepts, basic familiarity with front-end development tools, and an understanding of HTML, CSS, and JavaScript fundamentals are recommended prerequisites.Q: Can I access the course content after completion?A: Yes, once you enroll, you'll have lifetime access to the course content, allowing you to revisit and reinforce your learning at any time.Embark on this comprehensive journey, master the art of answering 100 technical front-end interview questions, and elevate your front-end development career!

Overview

Section 1: Introduction

Lecture 1 Introduction

Section 2: General Questions

Lecture 2 What are Some Important Tools for Development

Lecture 3 Static vs. Dynamic Languages

Lecture 4 Object Oriented Programming

Lecture 5 Functional Programming vs Object Oriented Programming

Lecture 6 Agile vs Scrum

Lecture 7 Clean Code Principles

Section 3: Cascading Style Sheets (CSS)

Lecture 8 CSS Properties

Lecture 9 CSS Terminologies

Lecture 10 CSS Specificity

Lecture 11 CSS Box Model

Lecture 12 CSS Custom Properties

Lecture 13 Pseudo Class

Lecture 14 Z-Index in CSS

Lecture 15 Visibility Hidden v.s. Display None

Lecture 16 CSS Principles

Lecture 17 CSS Preprocessor

Lecture 18 CSS Flexbox vs Grid

Lecture 19 CSS Library

Lecture 20 Data Attribute

Lecture 21 Id vs Classes

Lecture 22 Responsive Web Design

Section 4: Hyper Text Markup Language (HTML)

Lecture 23 What is HTML Structure

Lecture 24 Discuss Semantic HTML

Lecture 25 What is HTML Head Tag

Lecture 26 Span vs Div

Lecture 27 How to draw Circle in HTML

Lecture 28 How to Add CSS to HTML

Section 5: JAVASCRIPT (Synchronous and Asynchronous)

Lecture 29 Introduction to JavaScript Data Types

Lecture 30 Variable Declaration_ const vs. var vs. let

Lecture 31 Understanding Pass by Value vs. Pass by Reference

Lecture 32 Exploring Falsy Values in JavaScript

Lecture 33 Demystifying this in JavaScript

Lecture 34 Comparison Operators == vs. ===

Lecture 35 Dive into Type Coercion in JavaScript

Lecture 36 Mastering the typeof Operator in JavaScript

Lecture 37 The Delete Operator in JavaScript

Lecture 38 Object Notation in JavaScript

Lecture 39 Enforcing Strict Mode in JavaScript

Lecture 40 Anonymous Functions in JavaScript

Lecture 41 Working with Callback Functions

Lecture 42 Unveiling JavaScript Closures

Lecture 43 Naming Conventions and Coding Standards

Lecture 44 Ways to Create Empty Arrays in JavaScript

Lecture 45 Exploring the MUL Function in JavaScript

Lecture 46 In-Depth Look at Creating Arrays in JavaScript

Lecture 47 Navigating Null vs. Undefined in JavaScript

Lecture 48 Handling Number Issues in JavaScript

Lecture 49 Understanding instanceof in JavaScript

Lecture 50 Revealing the IIFE in JavaScript

Lecture 51 Explaining HTML APIs

Lecture 52 Destructuring Arrays and Objects in JAVASCRIPT

Lecture 53 Mastering Rest and Spread Operators in JavaScript

Lecture 54 What are Arrow Functions in JAVASCRIPT

Lecture 55 Dealing with NaN in JavaScript

Lecture 56 Distinguishing Undefined vs. Undeclared Variables

Lecture 57 Techniques to Copy an Object in JavaScript

Lecture 58 Comparing Objects in JavaScript

Lecture 59 Introduction to Service Workers in JavaScript

Lecture 60 Removing Duplicates from JavaScript Arrays

Lecture 61 map() v.s. filter() v.s. reduce()

Lecture 62 HTTP Methods in JavaScript

Lecture 63 Understanding HTTP Status Codes

Lecture 64 Rest API Standards

Lecture 65 Synchronous vs. Asynchronous JavaScript

Lecture 66 Timers in JavaScript

Lecture 67 Async Await in JAVASCRIPT

Lecture 68 Mastering Promises in JavaScript

Section 6: JAVASCRIPT Algorithms

Lecture 69 Fizz Buzz Algorithm

Lecture 70 Ransom Note Algorithm

Lecture 71 IsPalindrome Algorithm

Lecture 72 Reverse Words Algorithm

Section 7: Git

Lecture 73 What is Git and Version Control System

Lecture 74 Differentiate Between Centralized and Distributed Version Control System

Lecture 75 Explain Git Push and Git Pull

Lecture 76 Name a few Git Commands and function

Lecture 77 Explain the Difference Between Git Pull and Git Fetch

Lecture 78 What is a Merge Conflict in Git and how can it be resolved

Lecture 79 What is Git Stash

Lecture 80 Differentiate Between Git Merge and Git Rebase

Section 8: React JS

Lecture 81 What is JSX in React?

Lecture 82 Virtual DOM in React

Lecture 83 What are React Extensions Name a few of them?

Lecture 84 What is an Event in React & How do you create one?

Lecture 85 What are Components in ReactJS?

Lecture 86 What is a State in React & How do you implement it?

Lecture 87 What is a Higher Order and Pure Components in React?

Lecture 88 How do you Implement React Routing?

Section 9: Angular JS

Lecture 89 What is Data Binding & Which Data Binding methods does Angular use?

Lecture 90 What is Typescript?

Lecture 91 What is AoT Compilation? How is it different from JiT?

Lecture 92 What are Pipes in Angular? Explain its types

Lecture 93 In Angular, what are Promises and Observables?

Lecture 94 What are Form Control and Form Groups?

Lecture 95 What is Eager and Lazy Loading?

Lecture 96 In Angular, What is String Interpolation?

Section 10: Interview Prepration

Lecture 97 Interview Preparation Introduction

Lecture 98 Researching the Company for Interview Success

Lecture 99 Practice Common Interview Questions

Lecture 100 Showcase Your Achievements

Lecture 101 Develop Questions to Ask

Lecture 102 Appearance Factors

Developers and programmers preparing for front-end development interviews.,Individuals seeking to enhance their technical skills in HTML, CSS, JavaScript, and front-end frameworks.,Job seekers aiming to confidently navigate and succeed in front-end development interviews.,Professionals looking to stay updated on the latest trends and best practices in front-end development.