JavaScript Labs Runner
Click a lab below to run it. Open the browser console to see the output.
Arrays
Build a Golf Score Translator
Build a Lunch Picker Program
Build a String Inverter
Booleans & Numbers
Build a Fortune Teller
Functions
Build a Boolean Check Function
Build a Card Counting Assistant
Build a Celsius to Fahrenheit Converter
Build a Leap Year Calculator
Build an Email Masker
Implement a String Ending Checker Function
Truncate a String
Higher-Order Functions & Callbacks
Build a Book Organizer
Build a Sum All Primes Calculator
Create a Deep Flattening Tool
Implement a Matching Object Filter
Lab: Sorted Index Finder
Lab: Symmetric Difference
JavaScript Fundamentals Review
Build a First Element Finder
Build a Gradebook App
Build a Tile Case Converter
Build an Inventory Management Program
Build an Optional Arguments Sum Function
Build the Largest Number Finder
Implement a DNA Pair Generator
Implement a Falsy Remover
Implement an HTML Entity Converter
Implement the Slice and Splice Algorithm
Lab: Password Generator
Lab: Pyramid Generator
Lab: Sum All Numbers Algorithm
Loops
Build a Factorial Calculator
Build a Longest Word Finder App
Build a String Repeating Function
Implement the Chunky Monkey Algorithm
Implement the Mutations Algorithm
Lab: Profile Lookup
Lab: Build a Missing Letter Detector
Objects
Build a Record Collection
Lab: Quiz Game
Variables & Strings
Build a Sentence Maker
Lab: JavaScript Trivia Bot