Summary
All elements that are the first child of their parent can be selected using the :first-child selector.
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The .children() method allows us to search through the children of these elements in the DOM tree and construct a new jQuery object from the matching elements.
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According to
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Summary
Description: Selects all elements that are the first child of their parent.
While .first() matches only a single element, the :first-child selector can match more than one: one for each parent. This is equivalent to :nth-child(1) .
Finds
:first-child Selector | jQuery API Documentation
jquery.com
Summary
Given a jQuery object that represents a set of DOM elements, the .children() method allows us to search through the children of these elements in the DOM tree and construct a new jQuery object from the matching elements. The
.children() | jQuery API Documentation
jquery.com
Given a jQuery object that represents a set of DOM elements, the .first() method constructs a new jQuery object from the first element in that set.
.first() | jQuery API Documentation
jquery.com
The expressions allowed include selectors like > p which will find all the paragraphs that are children of the elements in the jQuery object.
.find() | jQuery API Documentation
jquery.com
