Coding Exercises Quizzes

Choose from 12 quizzes below. Practice the concepts you need to judge a solution, recognize faulty assumptions, and find errors in logic or code. Every answer includes an explanation and a link back to the relevant tutorial.

Also in this tutorial series: Alphabetic sorting, A custom cursor that follows the pointer, An ASCII pyramid, The 99-bottle countdown, FizzBuzz, Summing an array, Building Guess the Number, Building a digital clock, Building a Caesar cipher, Eyes that follow the pointer, Move an element to a click, Building a todo list, Color-changing light concepts, Pan and zoom with the Ken Burns effect, A content slider from scratch, Dynamically creating a list, A stacked-card carousel, Building an analog clock, A smooth sliding menu, Displaying a random API photo, The Devowelizer, Detecting a timed key sequence, Icon jiggle and wobble, Legacy blink effects, Generating a random sound, Detecting fonts by text measurement, Recognizing touch swipe direction. These quizzes live in their original sections, so your progress stays together.