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Editorial Team
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Asked: 2026-05-16T15:44:54+00:00

As far as I can tell, the template feature in XUL doesn’t allow you

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As far as I can tell, the template feature in XUL doesn’t allow you to load JSON data into your listbox/tree/etc. element. — it only supports XML and RDF. The closest thing I found to an indication that it might someday support JSON, is the comments on this blog post from 2007, saying that there was a bug filed. But the bug in question is marked RESOLVED FIXED and JSON is still not supported. So I guess my options are:

  1. Get the data I need in XML, and display it using templates.
  2. Get the data in JSON, and display it by direct DOM manipulation.
  3. Use one of these third-party templating solutions.

So my question is, am I correct that templates don’t support JSON? If not, where is that feature documented? If I am correct, what should I consider when choosing among the above three options?

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1 Answer

  1. Editorial Team

    It turns out that writing your own custom object that implements nsITreeView is a lot simpler than I expected, and makes everything seem nice and fast.

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