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This article introduces the knowledge of "how to query the last child 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!

Two methods: 1, using children () and ": last-child" selector, syntax "$(parent element). Children (": last-child ")". 2. With children () and eq (), the syntax "$(parent element). Children (). Eq (- 1)".

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

Two methods of querying the Last Child element in jquery

Method 1: use the children () and: last-child selector

Use children () to get all direct child elements under the specified parent node

Use: last-child to select the last element in the child element collection, that is, the last child element

Example:

$(function () {$("button") .click (function () {$("ul"). Children (": last-child") .css ("color", "red") }) the last child element of the parent element ul of banana, apple, pear, orange

Method 2: use children () and eq ()

Use children () to get all direct child elements under the specified parent node

Use eq (- 1) to select the last element in the child element set, that is, the last child element

On the basis of the above example, modify:

$(function () {$("button") .click (function () {$("ul"). Children (). Eq (- 1). Css ("color", "red");})})

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