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What is JavaScript and How It Powers Modern Websites

Jul 7, 2025 · 10 min read · Picture this 👀 — you click a button. Nothing happens. You hover over a menu. It doesn't open. You submit a form. The page just sits there, staring at you. That's the web without JavaScript — technica

Project Euler: #17 - Number letter counts

Jan 18, 2023 · 3 min read · Problem If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total. If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters w...

Project Euler: #16 - Power digit sum

Jan 17, 2023 · 2 min read · Problem 215 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 21000? Problem Description The problem is pretty self-explanatory. 215 is 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26....

Project Euler: #15 - Lattice paths

Jan 16, 2023 · 7 min read · Problem Starting in the top left corner of a 2*2 grid, and only being able to move to the right and down, there are exactly 6 routes to the bottom right corner. How many such routes are there through a 20*20 grid? Problem Description We are given a...

Project Euler: #14 - Longest Collatz sequence

Jan 15, 2023 · 4 min read · Problem The following iterative sequence is defined for the set of positive integers: n → n/2 (n is even) n → 3n + 1 (n is odd) Using the rule above and starting with 13, we generate the following sequence: 13 → 40 → 20 → 10 → 5 → 16 → 8 → 4 → 2 → ...