Uppercase an Element's Text

Select the heading with id="heading", read its current text, and replace it with the UPPERCASE version. The result should read "WELCOME HOME".

Platform-Provided HTML (READ-ONLY):
<h2 id="heading">welcome home</h2>

Steps:
1. Select the heading and read its textContent.
2. Convert it with .toUpperCase() and assign it back to textContent.

Expected Output:

<h2 id="heading">WELCOME HOME</h2>

Topics:

HTML DOM

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