JavaScript Taskbook Level 5.7

Given tags li with numbers, input and button. By pressing the button find the sum of numbers and output them to input.

Given tags li with numbers and a button. By clicking the button, increase all numbers in tags li by one.

Given an input, a paragraph and a button. A number is entered into the input. By pressing the button, you get an array of divisors of the number and output them to the paragraph separated by commas.

Given paragraphs with text. Make it so that when you click on any paragraph, its text turns over.

A number of 6-digits is entered into the input. By pressing the button, check whether the sum of the first three digits is equal to the sum of the second three digits.