JavaScript Taskbook Level 8.5

Given an array of words. Print words that start with the same letters in their own separate list ul. Above each list, make h2 with the name of the letter for which the list is made.

Three selects are given. In the first select, output the days of the month from 1 to 31, in the second - the names of the months of the year, and in the third - the years for the previous and next 10 years.

Modify the previous task so that the current date is selected by default in the selects.

Modify the previous task so that in the first select the number of days corresponds to the selected month and year.

Display the following pyramid on the screen: