JavaScript Taskbook Level 5.8

Inputs are given. Numbers are entered into them. Make it so that when the focus is lost in any of the inputs, the square of the number entered into it appears in it.

Given an array, a button and an input. Make it so that when you click on the button, a random element of the array is output to the input.

Given an input and a paragraph. Numbers are entered into it, separated by commas. After losing focus, find the sum of the numbers entered and output it to the paragraph.

Two inputs and a button are given. Numbers are entered into the inputs. When you click the button, you get an array of common divisors of these numbers and output it to the console.

Given an input and a button. The input contains numbers separated by commas. By pressing the button, check if the number 13 is among those entered.

An input and a button are given. A six-digit number is entered into it. By clicking on the button, check that the number is a lucky ticket, i.e. the sum of the first three digits is equal to the sum of the second three digits.