本文實例向大家分享了一款基于jQuery實現收起展開功能特效，供大家參考，具體內容如下
效果圖：
點擊倒三角可以進行展開操作
具體代碼：
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>jQuery實現收起展開功能 - 何問起</title><base target="_blank" /><meta charset="utf-8" /><style>a{color:darkgreen}.hovertreeContent{width:300px;text-indent:2em;margin:5px auto;height:60px;overflow:hidden;position:relative;border:1px solid silver;}.hewenqiToggle{height:20px;background-color:#f0f0f0;border-top:1px solid silver;position:absolute;bottom:0px;width:100%;}.triangle-down-hovertree { width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-top: 16px solid #999;position:absolute;right:0px;left:0px;margin:0px auto; top:2px;cursor:pointer;}.triangle-up-hovertree { width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 16px solid #999; position:absolute;right:0px;left:0px;margin:0px auto;top:2px; }</style><script src="http://hovertree.com/ziyuan/jquery/jquery-1.12.1.min.js"></script> </head><body><div style="width:730px;margin:0px auto;text-align:center;"><h2>jQuery實現收起展開功能</h2><a href="#">原文</a> <a href="#">首頁</a> <a href="#">特效</a></div><div class="hovertreeContent">受到網店的影響，服裝店的生意逐漸有所下降，老板找何問起去談，大概是準備跟上網購潮流，讓何問起準備一下，要在網上開網店，要為服裝店建立網站。何問起也沒說自己經驗不足，只說會積極準備。于是抓緊時間查找資料，學習練習。<div class="hewenqiToggle"><span class="triangle-down-hovertree"></span></div></div><script>$(".hewenqiToggle").on("click", function () {if ($(".hewenqiToggle").css('position') == "absolute") {$(".hovertreeContent").height("auto");$(".hewenqiToggle").css({ "position": "relative" });$(".hewenqiToggle").find("span").removeClass('triangle-down-hovertree').addClass('triangle-up-hovertree');}else{$(".hovertreeContent").height("60");$(".hewenqiToggle").css({ "position": "absolute" });$(".hewenqiToggle").find("span").removeClass('triangle-up-hovertree').addClass('triangle-down-hovertree');}})</script></body></html>以上就是本文的全部內容，希望對大家學習jquery程序設計有所幫助。
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