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Will McGugan
2023-04-09 18:59:36 +01:00
parent a4b0c469ba
commit aceee9ff72
1 changed files with 5 additions and 9 deletions
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src/textual/css/query.py
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"""
A DOMQuery is a set of DOM nodes associated with a given CSS selector.
A DOMQuery is a set of DOM nodes returned by [query][textual.dom.DOMNode.query].
This set of nodes may be further filtered with the filter method. Additional methods apply
actions to the nodes in the query.
The set of nodes may be further refined with [filter][textual.css.query.DOMQuery.filter] and [exclude][textual.css.query.DOMQuery.exclude].
Additional methods apply actions to all nodes in the query.
If this sounds like JQuery, a (once) popular JS library, it is no coincidence.
DOMQuery objects are typically created by Widget.query method.
Queries are *lazy*. Results will be calculated at the point you iterate over the query, or call
a method which evaluates the query, such as first() and last().
!!! info
If this sounds like JQuery, a (once) popular JS library, it is no coincidence.
"""