JavaScript

98% of all available websites use JavaScript on the client side for webpage behavior, often incorporating third-party libraries.

Ruby

Interpreted, high-level, general-purpose language designed with an emphasis on productivity and simplicity. Everything is an object, including primitive data types.

TypeScript

Strongly typed programming language that builds on JavaScript, giving you better tooling at any scale. Developed and maintained by Microsoft.

Vue.js

Open-source model–view–viewmodel front end JavaScript framework for building user interfaces and single-page applications.