HomeCoursesIntermediate JavaScript: Building Frontend Components

4.3

Intermediate

10h

Intermediate JavaScript: Building Frontend Components

Gain insights into building real-world components using JavaScript. Delve into dropdown menus, auto-validating forms, autocomplete search, infinite scroll, and tooltips to tackle common frontend challenges seamlessly.

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Overview

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Learn to apply your introductory knowledge of HTML, CSS, and JavaScript to build beautiful, real-world components. In this course, you'll go through the process of developing several complex components, including: - eBay's dropdown menu - Gmail's auto-validating form - Google's main autocomplete enabled search - Twitter's infinitely scrolling list - Medium's tooltips You'll learn how to approach common frontend challenges, what questions to ask yourself, how to design solutions once you've thought of them, how to debug and work with mistakes, and more. The end-goal is to empower you to look at anything you see on a website and be able to say, "I can build that!"

Learn to apply your introductory knowledge of HTML, CSS, and JavaScript to build beautiful, real-world components. In this cours...Show More

Content

58 Lessons16 Quizzes4 Challenges

Welcome

1 Lessons

Get familiar with building frontend components using HTML, CSS, and JavaScript.

Getting Started

Building a Dropdown Menu

9 Lessons

Unpack the core of building, styling, and dynamically populating dropdown menus using JavaScript.

Important Features of a Menu

Getting Data from the Server

Implementing the Behavior of Dropdown Menu

Getting Varied Responses from Server

Extending the Submenu Functionality

Building the Autocomplete Search

9 Lessons

Work your way through building and styling an effective autocomplete search component using JavaScript.

Understanding the Autocomplete Search Functionality

Examining Google's Autocomplete Functionality

Setting up a Framework to build Google's Autocomplete

Building a Server Endpoint for Autocomplete

Displaying Autocomplete Suggestions

Formatting the Autocomplete Suggestions

Styling an Autocomplete Enabled Engine

Further Styling an Autocomplete Enabled Engine

Final Styling Touches to the Autocomplete Enabled Engine

Building Tooltips

11 Lessons

Grasp the fundamentals of building tooltips using JavaScript, CSS, and effective debugging.

What is a Tooltip?

Examining the Important Features

How to Determine the Middle of Cursor?

Alternative Approach to find the Middle

Let's Start Building the Tooltip

Perfecting the Position

Bug 1: Selectable Tooltip

Bug 2: Tooltip Displays on Clicking

Bug 3: Multiline Highlights

Adding Styling

Adding Animations

Building an Autovalidating Form

16 Lessons

Take a closer look at building, validating, and testing dynamic, user-friendly auto-validating forms.

What is an Autovalidating form?

Rules for User Input Categories

Building the Form

Displaying Errors when Validation Fails

Test Driven Development

Unit Tests

Integration Tests

Acceptance Tests

Unique Errors for Each Field

Introduction to Regular Expressions

Validation of User Input with Regex

Displaying Actual Errors

Styling the Form

Guide to implementing Rules for Password

Restrictions and Month Selector

Wrapping Up

Building an Infinite List

8 Lessons

Follow the process of building an infinite scroll list with dynamic loading and styling.

What is an Infinite List?

Building an HTML Template for Infinite Lists

Styling List items

Server Client Communication

Generating Tweets from Server

Client Side Hydration

Adding a 'Loading' Element

Autopopulation

From Toy Components to Production

4 Lessons

Piece together the parts of resourcing, frameworks, and effective project structure to build production-ready applications.

Ship it!

Resourcing

Frameworks and Libraries

Project Structure

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Developed by MAANG Engineers

Every Educative lesson is designed by our in-house team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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