Add CSS Class

Select the button with id="myButton" and add the CSS class "active" to it.

Platform-Provided HTML (READ-ONLY):
<div id="container">
  <button id="myButton">Click Me</button>
</div>

Steps:
1. Use document.getElementById() or document.querySelector() to select the button
2. Use classList.add() to add the "active" class

Expected Output:

<div id="container">↵
  <button id="myButton" class="active">Click Me</button>↵
</div>

= newline. No newline after the last line.

Hints2 available

Topics:

HTML DOM

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