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How to put a if this happens, then play this sound in HTML

How can I put an if answered correctly play sound: "mp3 url" in HTML?

I tried multiple ways, but they still don't work.

I am trying to do it with Tampermonkey

question from:https://stackoverflow.com/questions/65927402/how-to-put-a-if-this-happens-then-play-this-sound-in-html

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You'll need Javascript to check if your condition returns true.

if(answeredcorrectly) {
    let mp3= new Audio('urltomp3file.mp3);
    mp3.play();
}

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