js实现简易点击切换显示或隐藏
(编辑:jimmy 日期: 2024/11/1 浏览:3 次 )
本文实例为大家分享了js实现简易点击切换显示或隐藏的具体代码,供大家参考,具体内容如下
html:
<div id="header"> <p>点击切换显示隐藏</p> <div class="close" onclick="closeTask()">关闭</div> </div> <div class="open" onclick="openTask()">打开</div>
css:
* { margin:0; padding:0; } #header { width:100%; height:50px; background-color:cadetblue; text-align:center; color:white; position:relative; overflow:hidden; transition:all 0.5s; } #header>p { line-height:50px; } .close { position:absolute; right:5%; top:0; padding:10px; line-height:30px; cursor:pointer; } .open { position:absolute; right:5%; padding:10px; line-height:30px; background-color:cadetblue; cursor:pointer; transition:all 0.5s; color:white; }
js:
var oDiv = document.getElementById("header"); var oOpen = document.getElementsByClassName("open"); var oDivheight = oDiv.offsetHeight; var oOpenheight = oOpen[0].offsetHeight; oOpen[0].style.top = `-${oOpenheight}px`; function closeTask() { oDiv.style.height = "0"; oOpen[0].style.top = "0"; } const openTask = () => { oDiv.style.height = `${oDivheight}px`; oOpen[0].style.top = `-${oOpenheight}px`; }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
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