当我点击图标/按钮时,它应该会打开并显示信息。但是,当我点击它时,什么都不会发生。
enter image description here
这就是它的正常外观,当你点击它时,它应该会展开。
enter image description here
这就是单击时的外观。
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
const items = document.querySelectorAll(".accordion button");
function toggleAccordion() {
const itemToggle = this.getAttribute('aria-expanded');
for (i = 0; i < items.length; i++) {
items[i].setAttribute('aria-expanded', 'false');
}
if (itemToggle == 'false') {
this.setAttribute('aria-expanded', 'true');
}
}
items.forEach(item => item.addEventListener('click', toggleAccordion));
</script>
<title>FAQ</title>
<link rel="stylesheet" href="style.css">
<link rel="icon" type="image/x-icon" href="ice_cream.png">
</head>
<body>
<div id="navbar">
<ul id="ul-nav">
<li class="li-nav"><a href="">Home</a></li>
<li class="li-nav"><a href="">About</a></li>
<li class="li-nav"><a href="">Gallery</a></li>
<li class="li-nav"><a href="">Reviews</a></li>
<li class="li-nav"><a href="faq.html">FAQ</a></li>
<li class="li-nav"><a href="contact.html">Contact</a></li>
</ul>
</div>
<div class="container">
<h2>Frequently Asked Questions</h2>
<div class="accordion">
<div class="accordion-item">
<button id="accordion-button-1" aria-expanded="false"><span class="accordion-title">When are you guys open?</span><span class="icon" aria-hidden="true"></span></button>
<div class="accordion-content">
<p>We are open every day of the week from 10am to 8pm.We are open every day of the week from 10am to 8pm.</p>
</div>
</div>
<div class="accordion-item">
<button id="accordion-button-1" aria-expanded="false"><span class="accordion-title">When are you guys open?</span><span class="icon" aria-hidden="true"></span></button>
<div class="accordion-content">
<p>We are open every day of the week from 10am to 8pm.</p>
</div>
</div>
<div class="accordion-item">
<button id="accordion-button-1" aria-expanded="false"><span class="accordion-title">When are you guys open?</span><span class="icon" aria-hidden="true"></span></button>
<div class="accordion-content">
<p>We are open every day of the week from 10am to 8pm.</p>
</div>
</div>
<div class="accordion-item">
<button id="accordion-button-1" aria-expanded="false"><span class="accordion-title">When are you guys open?</span><span class="icon" aria-hidden="true"></span></button>
<div class="accordion-content">
<p>We are open every day of the week from 10am to 8pm.</p>
</div>
</div>
<div class="accordion-item">
<button id="accordion-button-1" aria-expanded="false"><span class="accordion-title">When are you guys open?</span><span class="icon" aria-hidden="true"></span></button>
<div class="accordion-content">
<p>We are open every day of the week from 10am to 8pm.</p>
</div>
</div>
</div>
</div>
</body>
</html>
/* FAQ Page */
.container {
box-sizing: border-box;
margin: 0 auto;
padding: 4rem;
width: 48rem;
}
.accordion {
.accordion-item {
border-bottom: 1px solid lightgray;
button[aria-expanded='true'] {
border-bottom: 1px solid blue;
}
}
.accordion-item button {
position: relative;
display: block;
text-align: left;
width: 100%;
padding: 1em 0;
color: rgb(66, 61, 61);
font-size: 1.15rem;
font-weight: 400;
border: none;
background: none;
outline: none;
&:hover, &:focus {
cursor: pointer;
color: blue;
&::after {
cursor: pointer;
color: blue;
border: 1px solid blue;
}
}
.accordion-title {
padding: 1em 1.5em 1em 0;
}
.icon {
display: inline-block;
position: absolute;
top: 18px;
right: 0;
width: 22px;
height: 22px;
border: 1px solid;
border-radius: 22px;
&::before {
display: block;
position: absolute;
content: '';
top: 9px;
left: 6px;
width: 10px;
height: 2px;
background: currentColor;
}
&::after {
display: block;
position: absolute;
content: '';
top: 5px;
left: 10.5px;
width: 2px;
height: 10px;
background: currentColor;
}
}
}
.accordion-item button[aria-expanded='true'] {
color: rgb(255, 0, 0);
.icon {
&::after {
width: 0;
}
}
+ .accordion-content {
opacity: 1;
max-height: 9em;
transition: all 200ms linear;
will-change: opacity, max-height;
}
}
.accordion-content {
opacity: 0;
max-height: 0;
overflow: hidden;
transition: opacity 200ms linear, max-height 200ms linear;
will-change: opacity, max-height;
p {
font-size: 1rem;
font-weight: 300;
margin: 2em 0;
}
}
}
我可以手动将展开的咏叹调更改为true,它就会更改。不确定我做错了什么。
