During the first year of the course you will be completing a number of coding challenges using the JavaScript programming language.
To help prepare for this work through the following online tutorials. The first focuses on HTML and CSS which is the foundation for designing web pages and the second course introduces you to JavaScript:
HTML and CSS: https://www.codecademy.com/learn/learn-html-css
Introduction to JavaScript: https://www.udacity.com/course/intro-to-javascript--ud803