Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript and the DOM (Retiring) Making Changes to the DOM DOM Manipulation

when on to goolgle to see if there was any help, just libs fighting. I still dont know what I am doing wrong

copied from task 3 of 3

contentDiv.appendChild(newParagraph);

as I see it, it should work!!!

app.js
const contentDiv = document.getElementById("content");
let newParagraph = document.createElement('p');
newParagraph.className = "panel";

let div = document.getElementByTagName('div');
contentDiv.appendChild(newParagraph);
index.html
<!DOCTYPE html>
<html>
    <head>
        <title>DOM Manipulation</title>
    </head>
    <link rel="stylesheet" href="style.css" />
    <body>
        <div id="content">

        </div>
        <script src="app.js"></script>
    </body>
</html>

2 Answers

Steven Parker
Steven Parker
231,271 Points

I don't know what "libs fighting" might be, but it sounds interesting!

But here are some issues I noticed with your task 3 code:

  • you wrote "getElementByTagName" (missing an "s") instead of "getElementsByTagName"
  • "getElementsByTagName" returns a collection and would need to be indexed
  • you might want to use "getElementById" instead
  • "contentDiv" is undefined (did you mean to use your variable named "div"?)

Thanks, I saw the problems moments after posting, Sometimes I just get so inpatient,