The article updates the concepts introduced in "Compile Svelte in your head" for Svelte 5, highlighting new features like runes and fine-grained reactivity. It explains basic DOM manipulation, the use of the `<template>` element, event delegation, and the syntax of Svelte components, ultimately demonstrating how Svelte compiles code to optimize web app performance.
svelte ✓
javascript ✓
+ dom
reactivity ✓
templates ✓