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🔠 Day 8 — Strings & String Methods in JavaScript

🔠 Day 8 — Strings & String Methods in JavaScript Welcome to Day 8 🌟 — Today’s session is all about **Strings**, one of the most common data types in JavaScript. Strings represent text and allow you to store names, messages, or any sequence of characters. 💬 1️⃣ What is a String? A string is a sequence of characters written inside quotes. let name = "Rahul"; let greeting = 'Hello World'; let message = `Welcome ${name}!`; // Template literal 🧩 2️⃣ String Properties Strings behave like arrays — they have a .length property and can be accessed using index numbers. let text = "JavaScript"; console.log(text.length); // 10 console.log(text[0]); // J console.log(text[text.length - 1]); // t 🎨 3️⃣ Common String Methods toUpperCase() & toLowerCase() let city = "Hyderabad"; console.log(city.toUpperCase()); console.log(city.toLowerCase()); slice(start, end) let word = "JavaScript"; console.log(word.slice(0, 4)...

Java Script Course

⚡ JavaScript Full Course — 45 Days

Welcome to your 45 Days JavaScript Learning Challenge! From fundamentals to DOM manipulation, ES6, APIs, and real-world projects — you’ll master JavaScript step by step with interactive examples and mini projects. 🚀 Let’s make you a confident JavaScript Developer!


Day 1
⚡ Day 1 — Introduction to JavaScript
Learn what JavaScript is, how it works in browsers, and why it’s essential for web development.
Day 2
💡 Day 2 — Variables, Constants & Data Types
Understand let, const, var, and different data types used in JavaScript.
Day 3
🧮 Day 3 — Operators & Expressions
Learn arithmetic, comparison, logical, and assignment operators in JavaScript.
Day 4
🔁 Day 4 — Conditional Statements (if, else, switch)
Learn how to control logic flow using conditional statements.
Day 5
🔂 Day 5 — Loops in JavaScript
Understand for, while, and do...while loops to repeat tasks efficiently.
Day 6
📦 Day 6 — Functions & Scope
Learn function declarations, expressions, parameters, and return values.
Day 7
🧩 Day 7 — Arrays & Array Methods
Master arrays and methods like push, pop, slice, splice, map, filter.
Day 8
🔠 Day 8 — Strings & String Methods
Work with text using methods like slice, replace, toUpperCase, includes, and more.

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