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Editorial Team
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Asked: 2026-06-04T18:02:45+00:00

I’m trying to iterate up through the DOM nodes from a given element to

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I’m trying to iterate “up” through the DOM nodes from a given element to get the first parent element which has the attribute ‘animated’.

var el = evt.target;
    console.log(el);
while (!el.hasAttribute('animated'))
   { el = el.parentNode; }
return el;
    console.log(el);

Throws error:

>>>Uncaught TypeError: Object #<HTMLDocument> has no method 'hasAttribute'

How is this possible? I’ve clearly declared the variable el and the first log is correct .

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1 Answer

  1. Editorial Team

    The document object:

    • Is a node
    • Is the parentNode of the root element (if you were using HTML that would be the <html> element)
    • Is not an element.

    Only elements have attributes, so only element objects have a hasAttribute method.

    You need to stop testing when you reach the document object (or when you aren’t testing an element any longer).

    while (
    el.nodeType === 1 && 
    (!el.hasAttribute('animated'))
) {
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