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Angelica Islas4,082 Points
How do I solve this problem
How would you select the
body element using document.getElementsByTagName, and store it in the variable body?
(Hint: Don't forget that this method returns a zero-based collection, not a single element.)
const body = document.getElementsByTagName['body'];
you are close...
First tiny thing is you have to use the () brackets not the square brackets  after
But then afterwards you use the square brackets  to define the index of the selected element. Because as the hint says document.getElementsByTagName gives you a "a zero-based collection, not a single element".
So if you want the first item in the collection you add , if you want the second you add  etc.
So in this case the collection only has ONE body you can just add  at the end.
Blessings from Berlin and happy java-scripting, Nils
PS: If my answer helped you or solved your issues, please upvote my answer and/or mark it as "Best answer" (so people browsing the community forum know your issue is solved)