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?‍ Chaicode - 30 Days JavaScript Challenge

30-Days-JavaScript-Challenge by Hitesh Choudhary Sir. This repository contains Assignment and Assignment Solution Codes of 30 Days JavaScript Challenge. ❤️


Clone this Repository ?

You need to write the following commands on the terminal screen so that you can run this project locally.

https://github.com/Bharat2044/Chaicode-30_days_javascript_challenge.git

Go to the Project Directory

cd Chaicode-30_days_javascript_challenge

Run the File

node fileName.js

?‍ Assignment Question with Solutions ?

Day 01 - Variables and Data Types

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Variable Declaration
      • Activity 2 - Constant Declaration
      • Activity 3 - Data Types
      • Activity 4 - Reassigning Variables
      • Activity 5 - Understanding Const
    • Feature Request
      • 1. Variable Types Console Log
      • 2. Reassignment Demo

Day 02 - Operators

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Arithmetic Operations
      • Activity 2 - Assignment Operators
      • Activity 3 - Comparison Operators
      • Activity 4 - Logical Operators
      • Activity 5 - Ternary Operator
    • Feature Request
      • 1. Arithmetic Operations Script
      • 2. Comparison and Logical Operators Script
      • 3. Ternary Operator Script

Day 03 - Control Structures

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - If-Else Statements
      • Activity 2 - Nested If-Else Statements
      • Activity 3 - Switch Case
      • Activity 4 - Conditional (Ternary) Operator
      • Activity 5 - Combining Conditions
    • Feature Request
      • 1. Number Check Script
      • 2. Voting Eligibility Script
      • 3. Day of the Week Script
      • 4. Grade Assignment Script
      • 5. Leap Year Check Script

Day 04 - Loops

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - For Loop
      • Activity 2 - While Loop
      • Activity 3 - Do...While Loop
      • Activity 4 - Nested Loops
      • Activity 5 - Loop Control Statements
    • Feature Request
      • 1. Number Printing Script
      • 2. Multiplication Table Script
      • 3. Pattern Printing Script
      • 4. Sum Calculation Script
      • 5. Factorial Calculation Script

Day 05 - Functions

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Function Declaration
      • Activity 2 - Function Expression
      • Activity 3 - Arrow Functions
      • Activity 4 - Function Parameters and Default Values
      • Activity 5 - Higher-Order Functions
    • Feature Request
      • 1. Even or Odd Function Script
      • 2. Square Calculation Function Script
      • 3. Concatenation Function Script
      • 4. Sum Calculation Arrow Function Script
      • 5. Higher-Order Function Script

Day 06 - Arrays

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Array Creation and Access
      • Activity 2 - Array Methods (Basic)
      • Activity 3 - Array Methods (Intermediate)
      • Activity 4 - Array Iteration
      • Activity 5 - Multi-dimensional Arrays
    • Feature Request
      • 1. Array Manipulation Script
      • 2. Array Transformation Script
      • 3. Array Iteration Script
      • 4. Two-dimensional Array Script

Day 07 - Objects

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Object Creation and Access
      • Activity 2 - Object Methods
      • Activity 3 - Nested Objects
      • Activity 4 - The this Keyword
      • Activity 5 - Object Iteration
    • Feature Request
      • 1. Book Object Script
      • 2. Library Object Script
      • 3. Object Iteration Script
      • 4. Two-dimensional Array Script

Day 08 - ES6+ Features

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Template Literals
      • Activity 2 - Destructuring
      • Activity 3 - Spread and Rest Operators
      • Activity 4 - Default Parameters
      • Activity 5 - Enhanced Object Literals
    • Feature Request
      • 1. Template Literals Script
      • 2. Destructuring Script
      • 3. Spread and Rest Operators Script
      • 4. Default Parameters Script
      • 5. Enhanced Object Literals Script

Day 09 - DOM Manipulation

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Selecting and Manipulating Elements
      • Activity 2 - Creating and Appending Elements
      • Activity 3 - Removing Elements
      • Activity 4 - Modifying Attributes and Classes
      • Activity 5 - Event Handling
    • Feature Request
      • 1. Text Content Manipulation Script
      • 2. Element Creation Script
      • 3. Element Removal Script
      • 4. Attribute Modification Script
      • 5. Event Handling Script

Day 10 - Event Handling

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Basic Event Handling
      • Activity 2 - Mouse Events
      • Activity 3 - Keyboard Events
      • Activity 4 - Form Events
      • Activity 5 - Event Delegation
    • Feature Request
      • 1. Click Event Script
      • 2. Mouse Events Script
      • 3. Keyboard Events Script
      • 4. Form Events Script
      • 5. Event Delegation Script

Day 11 - Promises and Async/Await

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Understanding Promises
      • Activity 2 - Chaining Promises
      • Activity 3 - Using Async/Await
      • Activity 4 - Fetching Data from an API
      • Activity 5 - Concurrent Promises
    • Feature Request
      • 1. Promise Creation Script
      • 2. Promise Chaining Script
      • 3. Async/Await Script
      • 4. API Fetch Script
      • 5. Concurrent Promises Script

Day 12 - Error Handling

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Basic Error Handling with Try-Catch
      • Activity 2 - Finally Block
      • Activity 3 - Custom Error Objects
      • Activity 4 - Error Handling in Promises
      • Activity 5 - Graceful Error Handling in Fetch
    • Feature Request
      • 1. Basic Error Handling Script
      • 2. Custom Error Script
      • 3. Promise Error Handling Script
      • 4. Fetch Error Handling Script

Day 13 - Modules

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Creating and Exporting Modules
      • Activity 2 - Named and Default Exports
      • Activity 3 - Importing Entire Modules
      • Activity 4 - Using Third-Party Modules
      • Activity 5 - Module Bundling (Optional)
    • Feature Request
      • 1. Basic Module Script
      • 2. Named and Default Exports Script
      • 3. Third-Party Module Script
      • 4. Module Bundling Script

Day 14 - Classes

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Class Definition
      • Activity 2 - Class Inheritance
      • Activity 3 - Static Methods and Properties
      • Activity 4 - Getters and Setters
      • Activity 5 - Private Fields (Optional)
    • Feature Request
      • 1. Basic Class Script
      • 2. Class Inheritance Script
      • 3. Static Methods and Properties Script
      • 4. Getters and Setters Script
      • 5. Private Fields Script

Day 15 - Closures

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Understanding Closures
      • Activity 2 - Practical Closures
      • Activity 3 - Closures in Loops
      • Activity 4 - Module Pattern
      • Activity 5 - Memoization
    • Feature Request
      • 1. Basic Closure Script
      • 2. Counter Closure Script
      • 3. Unique ID Generator Script
      • 4. Loop Closure Script
      • 5. Memoization Script

Day 16 - Recursion

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Basic Recursion
      • Activity 2 - Recursion with Arrays
      • Activity 3 - String Manipulation with Recursion
      • Activity 4 - Recursive Search
      • Activity 5 - Tree Traversal (Optional)
    • Feature Request
      • 1. Factorial and Fibonacci Script
      • 2. Array Recursion Script
      • 3. String Recursion Script
      • 4. Recursive Search Script
      • 5. Tree Traversal Script

Day 17 - Data Structures

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Linked List
      • Activity 2 - Stack
      • Activity 3 - Queue
      • Activity 4 - Binary Tree
      • Activity 5 - Graph (Optional)
    • Feature Request
      • 1. Linked List Script
      • 2. Stack Script
      • 3. Queue Script
      • 4. Binary Tree Script
      • 5. Graph Script

Day 18 - Algorithms

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Sorting Algorithms
      • Activity 2 - Searching Algorithms
      • Activity 3 - String Algorithms
      • Activity 4 - Array Algorithms
      • Activity 5 - Dynamic Programming (Optional)
    • Feature Request
      • 1. Sorting Algorithm Script
      • 2. Searching Algorithm Script
      • 3. String Algorithm Script
      • 4. Array Algorithm Script
      • 5. Dynamic Programming Script

Day 19 - Regular Expressions

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Basic Regular Expressions
      • Activity 2 - Character Classes and Quantifiers
      • Activity 3 - Grouping and Capturing
      • Activity 4 - Assertions and Boundaries
      • Activity 5 - Practical Applications
    • Feature Request
      • 1. Basic Regex Script
      • 2. Character Classes and Quantifiers Script
      • 3. Grouping and Capturing Script
      • 4. Assertions and Boundaries Script
      • 5. Validation Script

Day 20 - LocalStorage and SessionStorage

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Understanding LocalStorage
      • Activity 2 - Using LocalStorage
      • Activity 3 - Understanding SessionStorage
      • Activity 4 - Using SessionStorage
      • Activity 5 - Comparing LocalStorage and SessionStorage
    • Feature Request
      • 1. LocalStorage Script
      • 2. SessionStorage Script
      • 3. Storage Comparison Script
      • 4. Clear Storage Script

Day 21 - LeetCode Easy

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Two Sum
      • Activity 2 - Reverse Integer
      • Activity 3 - Palindrome Number
      • Activity 4 - Merge Two Sorted Lists
      • Activity 5 - Valid Parentheses
    • Feature Request
      • 1. Two Sum Script
      • 2. Reverse Integer Script
      • 3. Palindrome Number Script
      • 4. Merge Two Sorted Lists Script
      • 5. Valid Parentheses Script

Day 22 - LeetCode Medium

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Add Two Numbers
      • Activity 2 - Longest Substring Without Repeating Characters
      • Activity 3 - Container With Most Water
      • Activity 4 - 3Sum
      • Activity 5 - Group Anagrams
    • Feature Request
      • 1. Add Two Numbers Script
      • 2. Longest Substring Script
      • 3. Container With Most Water Script
      • 4. 3Sum Script
      • 5. Group Anagrams Script

Day 23 - LeetCode Hard

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities
      • Activity 1 - Median of Two Sorted Arrays
      • Activity 2 - Merge k Sorted Lists
      • Activity 3 - Trapping Rain Water
      • Activity 4 - N-Queens
      • Activity 5 - Word Ladder
    • Feature Request
      • 1. Median of Two Sorted Arrays Script
      • 2. Merge k Sorted Lists Script
      • 3. Trapping Rain Water Script
      • 4. N-Queens Script
      • 5. Word Ladder Script

Day 24 - Project 1: Weather App

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities

Day 25 - Project 2: MovieSearch App

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities

Day 26 - Project 3: Chat Application

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities

Day 27 - Project 4: Task Management App

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities

Day 28 - Project 5: E-commerce Website

  • ? Assignment
    • Readme File
    • PDF File
  • Assignment Solutions
    • Tasks / Activities

? Let's Connect ?

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