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javascript - 具有匹配索引值的两个数组,切换类

转载 作者:行者123 更新时间:2023-12-03 02:10:39 25 4
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我想在不使用任何 jQuery 的情况下使用带有匹配 hrefid 的 onClick 事件来切换 show 类。我已经调试了 JavaScrpit 并获取了数据值并将它们排序到数组中。

我只是对实际使用收集到的数据的剩余部分有点困惑。

原生 JavaScript

function pageToggleMenu() {
// Find all name and id attributes
var anchors = document.getElementsByName('link');
var ids = document.querySelectorAll('[id]');

// Store href and id values in an array
var hrefs = [];
var idsValue = [];

// Loop through anchors, get href value and store in aray
for (var i = 0; i < anchors.length; i++) {
hrefs.push(anchors[i].href.slice(22));
}
// Loop through ids, get id value and store in aray
for (var o = 0; o < ids.length; o++) {
idsValue.push(ids[o].id);
}

/* If arrays (hrefs & idsValue) index values match then "anchors"
element containing relevant "hrefs" value, toggle class("show")
with element with matching "idsValue".*/

} pageToggleMenu();
        <!-- Sidebar -->
<div id="sidebar-wrapper">
<div class="sidebar-nav">
<!-- Dashboard -->
<button class="dash">
<i class="icon-dashboard" aria-hidden="true">
<!-- -->
</i> Dashboard</button>
<!-- Explore -->
<button class="accordion">
<i class="icon-explore" aria-hidden="true">
<!-- -->
</i> Atoms</button>
<div class="panel nth-explore">
<a name="link" href="atoms-global">
<p>Global</p>
</a>
<a name="link" href="#">
<p>Buttons</p>
</a>
<a name="link" href="#">
<p>Inputs</p>
</a>
<a name="link" href="#">
<p>Dropdowns</p>
</a>
</div>
<!-- Automate -->
<button class="accordion">
<i class="icon-automate" aria-hidden="true">
<!-- -->
</i> Tubs</button>
<div class="panel nth-automate">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
<!-- Publish -->
<button class="accordion">
<i class="icon-publish" aria-hidden="true">
<!-- -->
</i> Organisms</button>
<div class="panel nth-publish">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
<!-- Analyse -->
<button class="accordion">
<i class="icon-analyse" aria-hidden="true">
<!-- -->
</i> Mockups</button>
<div class="panel nth-analyse">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
<!-- Settings -->
<button class="accordion">
<i class="icon-settings" aria-hidden="true">
<!-- -->
</i> Settings</button>
<div class="panel nth-settings">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
</div>
</div>
<!-- Page Content -->
<div class="page-content-wrapper" id="dasboard">
<div class="container-fluid">
<div class="row">
<div class="col-lg-12">
<h2>Welcome to Atoms</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eius dolores laboriosam saepe fugiat nesciunt simi.</p>
<!-- Toggle Button -->
<a href="#menu-toggle" class="btn btn-default" id="menu-toggle">Toggle Menu</a>
</div>
</div>
</div>
</div>
<!-- Atoms: Global -->
<div class="page-content-wrapper hidden" id="atoms-global">
<div class="container-fluid">
<div class="row">
<div class="col-lg-12">
<h2>Global</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eius dolores laboriosam saepe fugiat nesciunt corporis.</p>
<!-- Toggle Button -->
<a href="#menu-toggle" class="btn btn-default" id="menu-toggle">Toggle Menu</a>
</div>
</div>
</div>
</div>

最佳答案

我不喜欢匹配href的想法和id但在这里 - 单击“全局”,菜单将在最后切换

请考虑不要写<p>在你的<a> elements - 这不是一个好的做法

function toggleClass(element, className) {
if (element) {
if (element.classList.contains(className)) {
element.classList.remove(className);
} else {
element.classList.add(className);
}
}
}

document.querySelectorAll('a').forEach(a => {
a.addEventListener('click', event => {
if (event.currentTarget.tagName.toLowerCase() === 'a' && event.currentTarget.name === 'link') {
event.preventDefault();
toggleClass(document.getElementById(event.currentTarget.attributes['href'].value), 'hidden');
}
});
});
.hidden {
display: none;
}
<!-- Sidebar -->
<div id="sidebar-wrapper">
<div class="sidebar-nav">
<!-- Dashboard -->
<button class="dash">
<i class="icon-dashboard" aria-hidden="true">
<!-- -->
</i> Dashboard</button>
<!-- Explore -->
<button class="accordion">
<i class="icon-explore" aria-hidden="true">
<!-- -->
</i> Atoms</button>
<div class="panel nth-explore">
<a name="link" href="atoms-global">
<p>Global</p>
</a>
<a name="link" href="#">
<p>Buttons</p>
</a>
<a name="link" href="#">
<p>Inputs</p>
</a>
<a name="link" href="#">
<p>Dropdowns</p>
</a>
</div>
<!-- Automate -->
<button class="accordion">
<i class="icon-automate" aria-hidden="true">
<!-- -->
</i> Tubs</button>
<div class="panel nth-automate">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
<!-- Publish -->
<button class="accordion">
<i class="icon-publish" aria-hidden="true">
<!-- -->
</i> Organisms</button>
<div class="panel nth-publish">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
<!-- Analyse -->
<button class="accordion">
<i class="icon-analyse" aria-hidden="true">
<!-- -->
</i> Mockups</button>
<div class="panel nth-analyse">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
<!-- Settings -->
<button class="accordion">
<i class="icon-settings" aria-hidden="true">
<!-- -->
</i> Settings</button>
<div class="panel nth-settings">
<a name="link" href="#">
<p>Sub-Item One</p>
</a>
<a name="link" href="#">
<p>Sub-Item Two</p>
</a>
</div>
</div>
</div>
<!-- Page Content -->
<div class="page-content-wrapper" id="dasboard">
<div class="container-fluid">
<div class="row">
<div class="col-lg-12">
<h2>Welcome to Atoms</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eius dolores laboriosam saepe fugiat nesciunt simi.</p>
<!-- Toggle Button -->
<a href="#menu-toggle" class="btn btn-default" id="menu-toggle">Toggle Menu</a>
</div>
</div>
</div>
</div>
<!-- Atoms: Global -->
<div class="page-content-wrapper hidden" id="atoms-global">
<div class="container-fluid">
<div class="row">
<div class="col-lg-12">
<h2>Global</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eius dolores laboriosam saepe fugiat nesciunt corporis.</p>
<!-- Toggle Button -->
<a href="#menu-toggle" class="btn btn-default" id="menu-toggle">Toggle Menu</a>
</div>
</div>
</div>
</div>

关于javascript - 具有匹配索引值的两个数组,切换类,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49587774/

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