# tagName property

The `tagName` property contains the tag name in upper case (in capital letters).

## Syntax

`element.tagName;`

## Example

Let's obtain the `#elem` element and output its tag name:

`<div id="elem"></div>` `let elem = document.getElementById('elem'); console.log(elem.tagName);`

The code execution result:

`'DIV'`

## Example

Let's output a tag name in lower case. To do this, use the `toLowerCase` method:

`<div id="elem"></div>` `let elem = document.getElementById('elem'); console.log(elem.tagName.toLowerCase());`

The code execution result:

`'div'`

## See also

- the `outerHTML` property
  that contains an outer HTML code of an element

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