Prashant Kumar on Instagram: "✨ Master JavaScript Built-in Functions in just minutes! 🚀 From Math, String, Array, and Date functions, these are the must-know tools to make your code more powerful and efficient. Whether you’re a beginner or improving your skills, these functions will make your JavaScript journey easier! 💻⚡ 🔹 Learn: ✅ Math functions ➝ round, random, floor, sqrt, sin ✅ String functions ➝ length, indexOf, toUpperCase, toLowerCase, replace ✅ Array functions ➝ length, sort, filter,