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title: simple_html_dom
---
# simple_html_dom
Represents the [DOM](https://en.wikipedia.org/wiki/Document_Object_Model) in memory. Provides functions to parse documents and access individual elements (see [`simple_html_dom_node`](../simple_html_dom_node/simple_html_dom_node.md)).
# Public Properties
| Property | Description
| -------- | -----------
| `root` | Root node of the document.
| `nodes` | List of top-level nodes in the document.
| `callback` | Callback function that is called for each element in the DOM when generating outertext.
| `lowercase` | If enabled, all tag names are converted to lowercase when parsing documents.
| `original_size` | Original document size in bytes.
| `size` | Current document size in bytes.
| `_charset` | Charset of the original document.
| `_target_charset` | Target charset for the current document.
| `default_span_text` | Text to return for `<span>` elements.
# Protected Properties
| Property | Description
| -------- | -----------
| `pos` | Current parsing position within `doc`.
| `doc` | The original document.
| `char` | Character at position `pos` in `doc`.
| `cursor` | Current element cursor in the document.
| `parent` | Parent element node.
| `noise` | Noise from the original document (i.e. scripts, comments, etc...).
| `token_blank` | Tokens that are considered whitespace in HTML.
| `token_equal` | Tokens to identify the equal sign for attributes, stopping either at the closing tag ("/" i.e. `<html />`) or the end of an opening tag (">" i.e. `<html>`).
| `token_slash` | Tokens to identify the end of a tag name. A tag name either ends on the ending slash ("/" i.e. `<html/>`) or whitespace (`"\s\r\n\t"`).
| `token_attr` | Tokens to identify the end of an attribute.
| `default_br_text` | Text to return for `<br>` elements.
| `self_closing_tags` | A list of tag names where the closing tag is omitted.
| `block_tags` | A list of tag names where remaining unclosed tags are forcibly closed.
| `optional_closing_tags` | A list of tag names where the closing tag can be omitted.