Here are some examples made by Javascript.
Below is explaning!!
Starting => Number with math.random function
Exercise 2 => Forward-step onclick function with margin-left
Exercise 3 => Slider with Opacity
Exercise 4 => Basic Calculator and Changing Backgorund-color with onclick function
Exercise 5 => Login and Register Form
Exercise 6 => Icon Menu with Tooltips
Exercise 7 => Shopping List
Exercise 8 => Create an account // Step by step
Exercise 9 => Scrollheight // Frequently Asked Questions
Exercise 10 => Message count // Contact Form
Exercise 11 => Import/Export JS
Exercise 12 => Auto Completion made by jQuery
Exercise 13 => Fetch/Promise
Exercise 14 => Cookies