JavaScript

Write a function named extractNames that extracts the first name and last name from a given name.

• The function accepts a string and returns an array that stores the first then last name.
• Assume that the given first and the last name is separated by a single white space.
• You should test your function and it should pass the following two tests

Test cases:

console.log(extractNames('John Doe'));

console.log(extractNames('Mary Smith'));

Returns:

[ 'John', 'Doe' ] [ 'Mary', 'Smith' ]