How do you check if a JavaScript Object is a DOM Object?

I'm trying to get: document.createElement('div') //=> true {tagName: 'foobar something'} //=> false In my own scripts, I used to just use this since I never needed tagName as a property: if (!object.tagName) throw ...; So for the second object, I came up with the following as a quick solution -- which mostly works. ;) The problem is, it depends on browsers enforcing read-only properties, which not

[minato128]

isElement