# The Dom\HTMLElement class

(PHP 8 >= 8.4.0)

## Introduction

Represents an element in the HTML namespace.

## Class synopsis

class Dom\HTMLElement extends Dom\Element {
/* Inherited constants */
public const int Dom\Node::DOCUMENT_POSITION_DISCONNECTED = 0x1;
public const int Dom\Node::DOCUMENT_POSITION_PRECEDING = 0x2;
public const int Dom\Node::DOCUMENT_POSITION_FOLLOWING = 0x4;
public const int Dom\Node::DOCUMENT_POSITION_CONTAINS = 0x8;
public const int Dom\Node::DOCUMENT_POSITION_CONTAINED_BY = 0x10;
public const int Dom\Node::DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0x20;
/* Inherited properties */
public readonly ?string $namespaceURI;
public readonly ?string $prefix;
public readonly string $localName;
public readonly string $tagName;
public string $id;
public string $className;
public readonly Dom\TokenList $classList;
public readonly Dom\NamedNodeMap $attributes;
public readonly ?Dom\Element $firstElementChild;
public readonly ?Dom\Element $lastElementChild;
public readonly int $childElementCount;
public readonly ?Dom\Element $previousElementSibling;
public readonly ?Dom\Element $nextElementSibling;
public string $innerHTML;
public string $substitutedNodeValue;
public readonly int $nodeType;
public readonly string $nodeName;
public readonly string $baseURI;
public readonly bool $isConnected;
public readonly ?Dom\Document $ownerDocument;
public readonly ?Dom\Node $parentNode;
public readonly ?Dom\Element $parentElement;
public readonly Dom\NodeList $childNodes;
public readonly ?Dom\Node $firstChild;
public readonly ?Dom\Node $lastChild;
public readonly ?Dom\Node $previousSibling;
public readonly ?Dom\Node $nextSibling;
public ?string $nodeValue;
public ?string $textContent;
/* Inherited methods */
/* Not documented yet */
}

## Notes

> Note: The DOM extension uses UTF-8 encoding when working with methods or properties. The parser methods auto-detect the encoding or allow the caller to specify an encoding.

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