tagName

• Description
• Syntax
• Examples
• Links

The tagName of Element for JS returns the HTML-uppercased qualified name.

qualifiedName = element.tagName

• attachShadow
• classList
• className
• closest
• getAttribute
• getAttributeNames
• getAttributeNS
• hasAttribute
• hasAttributeNS
• hasAttributes
• id
• innerHTML
• insertAdjacentHTML
• localName
• matches
• namespaceURI
• outerHTML
• prefix
• removeAttribute
• removeAttributeNS
• setAttribute
• setAttributeNS
• shadowRoot
• slot
• toggleAttribute

• Web Hypertext Application Technology Working Group (WHATWG)