here is the code for lab 2.html

Page for practicing JavaScript

Heading of the main content

First paragraph is here

Second paragraph is here

Copyright © 2022

5. Continue to use the lab2_1 html web page. Type the following JavaScript code line by line into the console. Click enter after each line the code. let footer = document.getElementById('homefooter"); footer.innerText.substring(12,16); let str1 = footer.innerText.substring(12,16); typeof(str); Number(str1); Based on your observations of the output and research, answer the following questions a. [2 points] Why is the second line returning '2022' to the console? What is the result if we change the code to pl.innerHTML.substring(1,2); ? b. [1 point] What does the fourth line of code do? c. [1 point] What does the fifth line of code do? d. [2 points] What is result of Number(str1) if we change (12, 16) in lines 2 and 3 to (1, 2)? What is the meaning of the result