Building an Expense Tracker with Vue.js 3

TLDRLearn how to build an expense tracker app using Vue.js 3 and the composition API.

Key insights

:rocket:Vue.js 3 introduces the composition API, a more organized and reactive way to structure Vue components.

:chart_with_upwards_trend:The expense tracker app keeps track of income and expenses, displaying the total balance and transaction history.

:computer:The application uses Vue's reactivity to automatically update the UI when the data changes.

:pencil2:Components in Vue can have separate template, script, and style sections, allowing for cleaner and modular code.

:muscle:The Vue CLI makes it easy to set up and run a Vue.js project with hot reload and development server.

Q&A

What is the composition API in Vue.js 3?

The composition API is a new way to structure Vue components, promoting reusability and reactivity.

Can I use Vue.js 3's composition API with existing Vue projects?

Yes, the composition API is compatible with Vue 2 and can be gradually introduced to existing projects.

What are the advantages of using Vue's reactivity system?

Vue's reactivity system allows for automatic UI updates, eliminating the need for manual DOM manipulation.

How can I style Vue components?

Vue components can have separate style sections using CSS, scoped to the component's template.

What tools are used to develop Vue.js applications?

The Vue CLI provides a convenient development environment with features like hot reload and a development server.

Timestamped Summary

00:01Introduction to the video and motivation for building an expense tracker with Vue.js 3.

01:00Explanation of Vue.js 3's composition API and its benefits for organizing and reusing Vue components.

02:30Overview of the expense tracker app's features: total balance, income and expenses tracking, and transaction history.

03:30Demonstration of Vue's reactivity system, updating the UI automatically when the data changes.

04:30Explanation of the component structure in Vue, with separate sections for template, script, and style.

06:00Setting up the Vue.js project using the Vue CLI and running the development server with hot reload.

07:30Step-by-step implementation of the expense tracker app, starting with the header component.

09:30Adding functionality to the balance component, displaying the total balance and income/expense breakdown.