Functional programming with arrays Although JavaScript’s arrays are very capable out of the box, the functional paradigm improves the clarity and maintainability of array code.

Create and invoke functions in JavaScript. Pass arrays and primitive values as arguments to functions. Use the return keyword to return a value from a function. Access, add, remove, and check for ...

Create and invoke functions in JavaScript. Pass arrays and primitive values as arguments to functions. Use the return keyword to return a value from a function. Access, add, remove, and check for ...