{% youtube %}https://www.youtube.com/watch?v=m-0escxJ-j8{% endyoutube %}
This is a trailer. Each chapter will have a video and interactive questions, as well as links to relevant content.
{% exercise %}
Define a variable x equal to 10.
{% initial %} var x =
{% solution %} var x = 10;
{% validation %} assert(x == 10);
{% endexercise %}