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Editorial Team
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Asked: 2026-05-27T03:27:33+00:00

I’m trying to manipulate the HTML through getElementsByClass() but for some reason it doesn’t

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I’m trying to manipulate the HTML through getElementsByClass() but for some reason it doesn’t work. When I use document.getElementByID() it works? Why is this?

<div class='boldStuff'> <p>Welcome to the site. </p> </div>

<script type="text/javascript">
    document.getElementsByClass('boldStuff').innerHTML = 'Fred Flinstone';
</script>
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1 Answer

  1. Editorial Team

    Try:

    document.getElementsByClassName('boldStuff')[0]
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