Return all <span> elements that are descendants of <ul>:
The find() method returns descendant elements of the selected element.
A descendant is a child, grandchild, great-grandchild, and so on.
The DOM tree: This method traverse downwards along descendants of DOM elements, all the way down to the last descendant. To only traverse a single level down the DOM tree (to return direct children), use the children() method.
Note: The filter parameter is required for the find() method, unlike the rest of the tree traversal methods.
Tip: To return all of the descendant elements, use the "*" selector.
|filter||Required. A selector expression, element or jQuery object to filter the
search for descendants
Note: To return multiple descendants, separate each expression with a comma.
all descendant elements of <html>
Using the "*" selector to return all elements that are descendants of <html>.
all <span> elements that are descendants of <ul>
How to return all <span> elements that are descendants of an <ul> element.
Only select descendants with a given class name
How to return descendant elements with class name "1".
How to return multiple descendant elements.
the descendant search with a jQuery collection of all <ul> elements
How to return all <span> elements that are descendants of an <ul> element with a jQuery object.
the descendants of an element by tag names
A demonstration which shows who the descendants of a <div> element actually are.