Detailed explanation of jQuery getting all parent elements, sibling elements and child element instances

This article mainly introduces jQuery's method of obtaining all parent elements, sibling elements, and child elements. This article introduces you to it in very detail and has reference value. Friends who need it can refer to it. I hope it can help everyone.

1. Get the parent element

$("#id").parent()

Get its parent element

$("#id").parents()

Get all its ancestor elements

$ ("#id").closest()

Get its nearest ancestor element and trace back in sequence

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2. Get sibling elements

$("#id").next (selector)

Get the next sibling element immediately next to the matched element. If a selector is provided, retrieves the next sibling element that matches the selector.

$("#id").nextAll(selector)

Get all sibling elements after the matching element. Filtering by the selector is optional.

$("#id").prev(selector)

Get the immediately preceding sibling element of the matched element (opposite to next)

$("#id").prevAll(selector)

Get all sibling elements in front of the current matching element (opposite to nextAll)

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3. Get child elements

$("#id").children(selector)

Returns the child elements of the matching element. Add optional parameters to filter through the selector.

$("#id").find(selector)

Get the descendants of the current element

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