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Non validating dom parser

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The elements are only generated after the parsing step, from these tags.

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in the LFAQ section; there are also articles about web site testing and management in the 'Resources' section.element is an individual component of an HTML document or web page, once this has been parsed into the Document Object Model.HTML is composed of a tree of HTML nodes, such as text nodes. Nodes can also have content, including other nodes and text. For example, the Presentation by the web browser, such as screen rendering or access by Java Script, is then performed on this internal model, not the original document.lxml.etree follows the Element Tree API as much as possible, building it on top of the native libxml2 tree.If you are new to Element Tree, start with the lxml.etree tutorial for XML processing."Elements" and "tags" are terms that are widely confused.

HTML documents contain tags, but do not contain the elements.

A valid model was produced, no matter how bad the "tag soup" supplied had been.

Only in the rarest cases would the parser abandon parsing altogether.

In the later case, you will need to validate your document with DOMDocument::validate or DOMDocument::$validate On Parse before using this function.

From my experience, get Element By Id seem to work fine without any setups if you have loaded a HTML document.

Early HTML documents, and to a lesser extent today, were largely invalid HTML and riddled with syntax errors.