我有用于创建水平选项卡栏的html和css，其中我有一些类和一个javascript函数，该函数根据特定选项卡的选择基本上更改选项卡：function openPage(evt, cityName) { var i, tabcontent, tablinks; tabcontent = document.getElementsByClassName("tabcontent"); for (i = 0; i < tabcontent.length; i++) { tabcontent[i].style.display = "none"; } tablinks = document.getElementsByClassName("tablinks"); for (i = 0; i < tablinks.length; i++) { tablinks[i].className = tablinks[i].className.replace(" active", ""); } document.getElementById(cityName).style.display = "block"; evt.currentTarget.className += " active";}// Get the element with id="defaultOpen" and click on itdocument.getElementById("defaultOpen").click();body { font-family: Arial;}/* Style the tab */.tab { overflow: hidden; border: 1px solid #ccc; background-color: #f1f1f1;}/* Style the buttons inside the tab */.tab button { background-color: inherit; float: left; border: none; outline: none; cursor: pointer; padding: 14px 16px; transition: 0.3s; font-size: 17px;}/* Change background color of buttons on hover */.tab button:hover { background-color: #ddd;}/* Create an active/current tablink class */.tab button.active { background-color: #FFFFFF; border-bottom-color: #FFFFFF;}/* Style the tab content */.tabcontent { display: none; padding: 6px 12px; border: 1px solid #ccc; border-top: none;}/* Style the close button */.topright { float: right; cursor: pointer; font-size: 28px;}.topright:hover { color: red;}当我运行它时，它工作正常，但是要删除的所选选项卡下方有一个下划线。有没有人有这个想法，如何在所选选项卡下删除它？
3 回答
catspeake
TA贡献1111条经验 获得超0个赞
唯一的变化是
.tab {
overflow: hidden;
border: 1px solid #ccc;
border-bottom-color: transparent;
background-color: #f1f1f1;
}
/* Style the buttons inside the tab */
.tab button {
background-color: inherit;
float: left;
border-bottom: 1px solid #ccc;
outline: none;
cursor: pointer;
padding: 14px 16px;
transition: 0.3s;
font-size: 17px;
}
慕哥6287543
TA贡献1831条经验 获得超10个赞
如果我错了，请告诉我，但你想看起来像这样吗？
<html>
<head>
<style>
body {
font-family: Arial;
}
/* Style the tab */
.tab {
overflow: hidden;
border: 1px solid #ccc;
border-bottom: none;
background-color: #f1f1f1;
}
/* Style the buttons inside the tab */
.tab button {
background-color: inherit;
float: left;
border: none;
outline: none;
cursor: pointer;
padding: 14px 16px;
transition: 0.3s;
font-size: 17px;
}
/* Change background color of buttons on hover */
.tab button:hover {
background-color: #ddd;
}
/* Create an active/current tablink class */
.tab button.active {
background-color: #FFFFFF;
border-bottom-color: #FFFFFF;
}
/* Style the tab content */
.tabcontent {
display: none;
padding: 6px 12px;
border: 1px solid #ccc;
border-top: none;
}
/* Style the close button */
.topright {
float: right;
cursor: pointer;
font-size: 28px;
}
.topright:hover {
color: red;
}
</style>
</head>
<body>
<h2>Tabs</h2>
<p>Click on the x button in the top right corner to close the current tab:</p>
<div class="tab">
<button class="tablinks" onclick="openPage(event, 'Home')" id="defaultOpen">Home</button>
<button class="tablinks" onclick="openPage(event, 'AboutUs')">AboutUs</button>
<button class="tablinks" onclick="openPage(event, 'Careers')">Careers</button>
</div>
<div id="Home" class="tabcontent">
<span onclick="this.parentElement.style.display='none'" class="topright">×</span>
<h3>Home</h3>
<p>Home Page.</p>
</div>
<div id="AboutUs" class="tabcontent">
<span onclick="this.parentElement.style.display='none'" class="topright">×</span>
<h3>AboutUs</h3>
<p>AboutUs page.</p>
</div>
<div id="Careers" class="tabcontent">
<span onclick="this.parentElement.style.display='none'" class="topright">×</span>
<h3>Careers</h3>
<p>Careers Page.</p>
</div>
<script>
function openPage(evt, cityName) {
var i, tabcontent, tablinks;
tabcontent = document.getElementsByClassName("tabcontent");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablinks");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
document.getElementById(cityName).style.display = "block";
evt.currentTarget.className += " active";
}
// Get the element with id="defaultOpen" and click on it
document.getElementById("defaultOpen").click();
</script>
</body>
</html>
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