Although Svelte is quite similar to other traditional front-end frameworks such as React.js and Vue.js, but there is a big difference between them according to their functionality. The traditional frameworks like React.js and Vue.js do most of their tasks in the browser, i.e. on the run time, while Svelte.js complete that task into the build step, i.e. during compile time. S
So, Svelte does not require updating the DOM using any DOM updating tool like React. Instead of updating the DOM using Virtual DOM diffing, Svelte.js writes code that updates the DOM when the state of your app changes.