how to get type of html element in javascript code example

Example 1: how to know type of dom element in js

let divElement = document.createElement('div');

if (divElement.nodeName == "DIV") //true
if (divElement.nodeName == "<div>") //false

Example 2: js get element type

// Use the DOM element's 'tagName' property:

var element_type = field.tagName;