Where did I go wrong?

Question

https://code.sololearn.com/WjLxPMK1Y04E/?ref=app

Answer 1

https://code.sololearn.com/W5QM0ec2J7nC/?ref=app

It will not work because pa element don't exist at the time of execution of js you need to let load html first then try to change value

Answer 2

document.getElementsByTagName("p");
will return all elements as an array. Therefore you need to access the elements of the array before you can change them.
Right now you are treating the return as a single element, not an array.
Review lesson 46.1 of the JS tutorial.

Answer 3

because the Javascript is executed before the document is fully loaded

Answer 4

Do you see thd tabs in the code playground, "HTML", "CSS", "JS", "OUTPUT"?

The JS tab has the error in line 2: a.innerHTML = "blue";

Answer 5

Name
replace your javascript with this:

var a = document.getElementById("pa");
a.style.color = "blue";

Answer 6

No problem it run without error