# The Dom\HTMLElement class

(PHP 8 >= 8.4.0)

## 简介

Represents an element in the HTML namespace.

## 类摘要

class Dom\HTMLElement extends Dom\Element {
/* 继承的常量 */
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;
/* 继承的属性 */
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;
/* 继承的方法 */
/* Not documented yet */
}

## 注释

> 注意: 此 DOM 扩展在处理方法或属性时使用 UTF-8 编码。 解析器方法会自动检测编码，或允许调用者指定编码。

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