In computer science, data is anything that is meaningful to the computer. JavaScript provides seven different data types which are `undefined`, `null`, `boolean`, `string`, `symbol`, `number`, and ...

Ejercicios de javaScript de freecodecamp Haciendo la certificación de Algoritmos de JavaScript y Estructuras de Datos. 1 - Comenta tu código de JavaScript 2 - Declara variables de JavaScript 3 - ...

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table ...