Is it possible to map only a portion of an array? (Array.map())

Question

I am building a project using React.js as a front-end framework. On one particular page I am displaying a full data set to the user. I have an Array which contains this full

Answer 1

Array#map iterates over all items.

The map() method creates a new array with the results of calling a provided function on every element in this array.

You could use Array#filter

The filter() method creates a new array with all elements that pass the test implemented by the provided function.

for the wanted items and then apply map for the wanted format.