Question 1

How are XML attributes represented in JSON?

Accepted Answer

XML attributes are included in the JSON object with an @ prefix on the key name. For example, an element with id='123' produces '@id': '123' in the JSON output. This convention clearly distinguishes attributes from child elements and is consistent with the widely used xml2js library convention. It ensures no data is lost during conversion.

Question 2

How are repeated XML elements handled?

Accepted Answer

When multiple sibling elements share the same tag name, they are grouped into a JSON array. For example, multiple book elements inside a catalog produce an array of book objects. Single occurrences remain as objects, not arrays. This is the standard approach for XML-to-JSON conversion and produces the most natural JSON structure.

Question 3

Can I convert SOAP XML responses?

Accepted Answer

Yes. SOAP XML responses are valid XML and can be converted to JSON. The resulting JSON will include the SOAP envelope, header, and body structure with namespace prefixes preserved. This is useful for debugging SOAP responses or for applications that need to process legacy SOAP services while working with JSON internally. Note that SOAP namespace declarations appear as @xmlns attributes in the output.

Question 4

What happens to CDATA sections?

Accepted Answer

CDATA sections are treated as text content and their content is included as a string value in the JSON output. The CDATA wrapping is removed since JSON strings do not need it. The content inside CDATA is preserved exactly as written, including any characters that would normally need escaping in XML such as < and &.

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