I don't know if you can edit these posts, but right after the "How to use custom events in Vanilla JavaScript" heading, you use CustomImage instead of CustomEvent.
CustomImage
CustomEvent
Man you are a saviour Thanks updated
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I don't know if you can edit these posts, but right after the "How to use custom events in Vanilla JavaScript" heading, you use
CustomImageinstead ofCustomEvent.Man you are a saviour
Thanks updated