I assigned an animals variable to an array with objects, each object has a list of properties with key - values. A method that populates a new array with results from a function called on every ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

The .forEach() method is one of the oldest ones available and allows calling a function (a callback or arrow function) once for each array element. In this example, the function prints out each value ...