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Asked: 2026-05-12T09:43:11+00:00

How exactly does it relate to jQuery? I know the library uses native javascript

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How exactly does it relate to jQuery? I know the library uses native javascript functions internally, but what exactly is it trying to do whenever such a problem appears?

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  1. Editorial Team

    It means you’ve tried to insert a DOM node into a place in the DOM tree where it cannot go. The most common place I see this is on Safari which doesn’t allow the following:

    document.appendChild(document.createElement('div'));

    Generally, this is just a mistake where this was actually intended:

    document.body.appendChild(document.createElement('div'));

    Other causes seen in the wild (summarized from comments):

    • You are attempting to append a node to itself
    • You are attempting to append null to a node
    • You are attempting to append a node to a text node.
    • Your HTML is invalid (e.g. failing to close your target node)
    • The browser thinks the HTML you are attempting to append is XML (fix by adding <!doctype html> to your injected HTML, or specifying the content type when fetching via XHR)
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