The Composition API is THE biggest new feature introduced by Vue.js 3. It's 100% optional but definitely worth a closer look as it allows you to write leaner, more elegant code - especially in bigger apps and components. Starting Code: https://github.com/academind/vue-3-update/tree/starting-state/composition-api Finished Code: https://github.com/academind/vue-3-update/tree/vue3-update/composition-api Learn ALL about Vue 3 (incl. deep dives into the Composition API) with my fully updated course: https://acad.link/vuejs Also learn about all other import changes introduced by Vue 3: https://youtu.be/ZjBiBVNWfJ8 Check out all our other courses: https://academind.com/learn/our-courses ---------- • Go to https://www.academind.com and subscribe to our newsletter to stay updated and to get exclusive content & discounts • Follow @maxedapps and @academind_real on Twitter • Follow @academind_real on Instagram: https://www.instagram.com/academind_real • Join our Facebook community on https://www.facebook.com/academindchannel/ See you in the videos! ---------- Academind is your source for online education in the areas of web development, frontend web development, backend web development, programming, coding and data science! No matter if you are looking for a tutorial, a course, a crash course, an introduction, an online tutorial or any related video, we try our best to offer you the content you are looking for. Our topics include Angular, React, Vue, Html, CSS, JavaScript, TypeScript, Redux, Nuxt.js, RxJs, Bootstrap, Laravel, Node.js, Progressive Web Apps (PWA), Ionic, React Native, Regular Expressions (RegEx), Stencil, Power BI, Amazon Web Services (AWS), Firebase or other topics, make sure to have a look at this channel or at academind.com to find the learning resource of your choice!