🔄 Reverse Integer in JavaScriptReversing the digits of a number sounds simple… until you add conditions like negative numbers and integer overflow.This is a common interview problem that tests how well you handle edge cases. 🧩 Problem Statement Given an integer x, return the num...Aug 22, 2025 · 3 min readblog.kamlesh.patel.com
🔁 Palindrome Number in JavaScript🔁 Palindrome Number in JavaScript A palindrome is a word, phrase, or number that reads the same forward and backward. ✨ Examples: Words: madam, level, radar Numbers: 121, 1331, 444 Numbers like 123 or -121 ❌ are not palindromes. 🧩 Problem Sta...Aug 22, 2025 · 3 min readblog.kamlesh.patel.com
🧮 Count Digits Problem & Math.functions( )Let’s break it step by step with logic, conditions, and edge cases: 🧮 Count Digits in a Number Function function countDigits(n) { if (n == 0) { return 1; } // Convert negative → positive n = Math.abs(n); let count = 0;...Aug 22, 2025 · 2 min readblog.kamlesh.patel.com
🔁Star Pattern Printing in JavaScript – Deep DiveLet’s break everything down: 🔁 Pattern Printing in JavaScript – Deep Dive We use nested loops. Outer loop (i) → rows Inner loop (j, k) → columns (how many things to print per row) Conditions (i < n, j < n, etc.) decide when loops stop. 1️⃣ Sq...Aug 22, 2025 · 5 min readblog.kamlesh.patel.com
🔁 Nested Loops in JavaScriptA nested loop is a loop inside another loop.They’re often used for patterns, 2D arrays, or checking combinations of values. 1️⃣ Triple Nested Loop for (let i = 0; i < 3; i++) { for (let j = 0; j < 3; j++) { // console.log("i= " + i + " j= " +...Aug 22, 2025 · 3 min readblog.kamlesh.patel.com
