Learn to Code from Google’s new Grasshopper App
And the best part, you don’t need a computer to run your codes, you can just download this app and get started. Grasshopper will teach you the basics of JavaScript. There are different levels and each level has its functionality. Like for example, there is a level which will introduce you to variables, there is one which will tell you all about functions, etc.
Give it a try, you might like it.
iOS users download it from here
Android users download it from here