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.

Intermediate

58 Lessons

10h

Certificate of Completion

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

73 Playgrounds

16 Quizzes

This course includes

73 Playgrounds

16 Quizzes

Course Overview

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...Show More

Course Content

Welcome

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

Getting Started

Building a Dropdown Menu

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

Important Features of a Menu

Basic HTML Code Styling Conventions Submenu Styling your Submenu Getting Data from the Server Implementing the Behavior of Dropdown Menu Getting Varied Responses from Server Extending the Submenu Functionality

Building the Autocomplete Search

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

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

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.

From Toy Components to Production

4 Lessons

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

Part of the Front-end Developer Learning Path

Become a Front-end Developer

Go from complete beginner to creating interactive websites using HTML, CSS, and JavaScript.

4 Modules

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

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Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

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DevOps Engineer

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

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