如何在父div的鼠标悬停时显示子div
我有许多父 div (.parent_div)，每个都包含一个子 div (.hotqcontent)，我使用循环从数据库中输出数据.
I have a number of parent divs (.parent_div), which each contain a child div (.hotqcontent) where I output data from my database using a loop.
以下是我当前的标记:
<div class="content">
<div class="parent_div">
<div class="hotqcontent">
content of first div goes here...
</div>
<hr>
</div>
<div class="parent_div">
<div class="hotqcontent">
content of second div goes here...
</div>
<hr>
</div>
<div class="parent_div">
<div class="hotqcontent">
content of third div goes here...
</div>
<hr>
</div>
<div class="parent_div">
<div class="hotqcontent">
content of fourth div goes here...
</div>
<hr>
</div>
</div>
我想要实现的是，当用户将鼠标悬停/鼠标悬停在父 div 上时，应该显示其中包含的子 div 的内容.
What I would like to achieve is when a user hovers / mouseovers a parent div, the contents of the child div contained within should be revealed.
为了实现这一点，我编写了以下 jQuery 脚本，但它似乎无法正常工作.它甚至没有显示警报！
To achieve this I wrote the following jQuery script but it doesn't appear to be working. It's not even showing the alert!
<script>
$(document).ready(function() {
$(function() {
$('.parent_div').hover(function() {
alert("hello");
$('.hotqcontent').toggle();
});
});
});
</script>
如何修改或替换现有代码以实现所需的输出?
How can I modify or replace my existing code to achieve the desired output?
推荐答案
如果你想要纯 CSS，你可以这样做......
If you want pure CSS than you can do it like this....
在下面的 CSS 中，在初始化/页面加载时，我使用 display: none; 隐藏子元素，然后在父元素的 hover 上隐藏子元素，比如说有class parent_div，我使用 display: block; 来取消隐藏元素.
In the CSS below, on initialization/page load, I am hiding child element using display: none; and then on hover of the parent element, say having a class parent_div, I use display: block; to unhide the element.
.hotqcontent {
display: none;
/* I assume you'll need display: none; on initialization */
}
.parent_div:hover .hotqcontent {
/* This selector will apply styles to hotqcontent when parent_div will be hovered */
display: block;
/* Other styles goes here */
}
演示
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