JavaScript is now a very popular programming language, based on which a large number of libraries and frameworks have been derived. But no matter how the upper ecosystem evolves, it can’t do without vanilla JavaScript. Here I’ve selected 4 JavaScript interview questions to test a programmer’s skill of vanilla JavaScript.

1. Set your color model to HSL

2. Pick a color, any color

3. Make variations of the L value
   Create a set of L values with differences of 10. Ranging from 0 to 100.

4. Create 10 copies of your original color

5. Replace the L values

6. Find your partner in crime
   To create your secondary color, add 30, 120, 150, 180, 210, 240, or 300 to the H value of your primary color. For this example, I added 30.
   Repeat steps 4 and 5 for your secondary color scheme.

7. Select a primary and secondary variant

8. Choose your side kicks

7. The Shopify App

With recent trends in drop shipping, lifestyle businesses, and a push for independent retail-based outlets to move online, Shopify has opened up another wonderful opportunity for us developers.

8. Build an API as a Service

We live in a data-driven age where information, attention, and content are king — to give you some perspective, 2.5 quintillion bytes of data are created each day.