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 ...

The idea is to make code easier to read without having to wait for the latest browsers to support the new bells and whistles. Here are 3 way to solve the same example: This is supported by most (+8 ...

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 ...