JavaScript

JavaScript is the programming language of the web. This Skill Tree presents a systematic approach to learning JavaScript. Designed for web development beginners, it provides a clear roadmap to understand core concepts, DOM manipulation, and asynchronous programming. Hands-on, non-video courses and coding exercises in an interactive JS playground ensure you develop practical skills in creating dynamic web applications.

35 Skills|1 Course|104 Projects

Quick Start with JavaScript

Quick Start with JavaScript

Quick Start with JavaScript

Beginner

JavaScript

This course is designed for beginners who want to learn JavaScript and programming fundamentals. We will try to build a dynamic personal finance tracker, which will help you to understand the basics of JavaScript.

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60 Labs

First Look

Your First JavaScript Lab

Basic JavaScript and DOM

Arrays and Objects

Data Storage and Retrieval

Enhancing Personal Finance Tracker

Implementing the Summary

JavaScript Basics

Value Is Undefined

Value Is Number

Value Is String

Value Is Boolean

Working with Numbers

Round Number to Given Precision

Clamping Numbers in JavaScript

Random Number in Range

Number to Currency String

String Manipulation

Capitalize First Letter in JavaScript

Reverse String with JavaScript

Convert Strings to Camelcase with JavaScript

Truncating Strings in JavaScript

Padding Strings in JavaScript

String Manipulation with JavaScript

Array Basics

JavaScript Fundamentals Through Coding

Last Array Element

Array Without Last Element

Filtering Falsy Values in JavaScript Arrays

Random Element in Array

Array Operations

Check if Array Has Duplicates

Check if Array Includes All Values

Check if Array Includes Any Values

Filter Unique Array Values

Efficient Array Intersection in JavaScript

Beginner's Guide to JavaScript Fundamentals

Object Manipulation

Shallow Clone Object

Pick Object Keys

Omit Object Keys

Merging JavaScript Objects with Reduce and Concat

Convert Object to Pairs

Object From Pairs

Functions and Logic

Limiting Function Arguments in JavaScript

Function Composition in JavaScript

Composing Functions Efficiently in JavaScript

Optimizing JavaScript Functions with Memoization

Debouncing Promises in JavaScript

JavaScript Currying Techniques

Date and Time

Check for Leap Year

Explore JavaScript Programming Concepts

Calculate Date Difference in JavaScript

Add Date by Days in JavaScript

Create Human-Readable Time Formatting

Date Range Generator

Advanced Concepts

Asynchronous Functions to Promises

Deep Clone Object

String Is Valid JSON

Stringify Circular JSON

Flatten JavaScript Object with Recursion

Deep Freeze Object