The HierarchyRequestError in Javascript related to XML

var xmlRoot = "<root></root>";
var firstChildNode = "<firstChild></firstChild>";

var parser = new DOMParser();
var xmlDom = parse.parseFromString(xmlRoot, "text/xml");
var xmlChildNode = parse.parseFromString(firstChildNode, "text/xml");

xmlDom.appendChild(xmlChildNode);

I recently encountered an issue while testing the code above. Despite my efforts, I keep getting a HierarchyRequestError. Can someone help me identify where I went wrong in my logic? It appears that there is a misunderstanding on my part regarding the underlying concept.

javascriptxml

Answer №1

After some trial and error, I found a solution that worked for me:

xmlNode.parentNode.insertBefore(newNode, xmlNode.nextSibling);

I encountered an unexpected behavior where xmlNode.parentNode was returning <parent></parent>. This led me to question my understanding of the xmlNode object. Perhaps there's a concept here that I need to revisit...

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