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This article introduces the relevant knowledge of "how to query the last element of jquery". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In jquery, you can use the prev () method to query the previous element of a specified element, which returns the previous sibling of the selected element with the syntax of "$(selector) .prev (filter)"; "filter" is an optional parameter that, if set, narrows the search for the previous sibling.

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

In jquery, you can use the prev () method to query the previous element of a specified element.

The prev () method returns the previous sibling of the selected element.

Sibling elements are elements that share the same parent element.

Note: this method returns only one element.

Syntax:

$(selector) .prev (filter)

Parameter filter: optional, which specifies a selector expression that narrows the search for the previous sibling element.

Example 1: returns the previous sibling of each element with the class name "start":

.siblings * {display: block; border: 2px solid lightgrey; color: lightgrey; padding: 5px; margin: 15px } $(document) .ready (function () {$("li.start"). Prev (). Css ({"color": "red") "border": "2px solid red"}) }) Ul (parent) li (sibling) li (last sibling of the li node with the class name "start") li ( Li node named "start") li (sibling node) li (sibling node)

Example 2: select the previous sibling of each element

$(document) .ready (function () {$("div"). Prev (). Css ("background-color", "yellow");})

This is a P element.

This is a title and is the previous sibling of the div element. This is a div element.

This is another P element.

This is a P element and is the previous sibling of the div element.

This is a P element in div.

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