Everything we’ve learned about Vue thus far has been primarily about syntax. Syntactical features like mustache templates, directives, and components greatly improve speed of code-writing and readability of code. However, these features don’t necessarily improve page speed, an essential issue all front-end frameworks need to address.
Behind the scenes, Vue uses a really cool data structure called a virtual DOM to vastly improve speed and responsiveness of Vue apps. The best way to introduce this topic is to see it in action, so we’ve created a short video to explain what a virtual DOM is and how it speeds up app performance. Check it out to learn how Vue apps render and respond to user actions so quickly.
Watch the video to the right. When you’re done, click “Next” to continue.