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Editorial Team
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Asked: 2026-05-27T18:50:16+00:00

In php, I can use getElementsByTagName on any DOM object but it seems JavaScript

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In php, I can use getElementsByTagName on any DOM object but it seems JavaScript does not have that concept.

IE if the var detailsNode is a specific node, detailsNode.getElementsByTagName(‘summary’) does not seem to work, firebug error says detailsNode.getElementsByTagName is not a function.

So, how do I target getElementsByTagName() to only look within a specified DOM element in JavaScript?

Thank you for suggestions.

Oh, and the answer needs to be straight up DOM2 method, no jQuery for this (where it would be easy).

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1 Answer

  1. Editorial Team

    Element and Node objects do have getElementsByTagName which returns an array of the found elements in the given Element/Node.

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