# Introduction In this challenge, we will be working on implementing a feature called "portal". The purpose of this feature is to allow users to quickly navigate to specific content on a web page that is too long or has excessive content. By completing the provided code and using JavaScript or jQuery, we will implement the functionality of the portal feature, including scrolling to different sections of the page and changing the style of the side buttons based on the scroll position.
Click the virtual machine below to start practicing