dom - How can I determine the type of an HTML element in JavaScript? -

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i need way determine type of html element in javascript. has id, element div, form field, fieldset, etc. how can achieve this?

nodename attribute looking for. example:

var elt = document.getelementbyid('foo'); console.log(elt.nodename);

note nodename returns element name capitalized , without angle brackets, means if want check if element <div> element follows:

elt.nodename == "div"

while not give expected results:

elt.nodename == "<div>"

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