如何在div悬停时隐藏视频? [英] How to hide video on div hover?

问题描述

我正在尝试在div悬停时隐藏视频，但是我似乎无法使其正常工作

I am trying to hide video on div hover, however I can't seem to make it work

当前，"live_video"类位于顶部，"eat_video"位于下方.我想在"video_hover"类悬停时隐藏"live_video"的显示

Currently 'live_video' class is sitting on top with 'eat_video' underneath. I want to hide display of 'live_video' when 'video_hover' class is hovered

我想要实现的是堆叠2个全屏视频，但是当您将鼠标悬停在浏览器窗口右侧50％时，它会隐藏顶部视频并在下方显示

What I am trying to achieve is 2 full screen videos stacked but when you hover on the right 50% of the browser window it hides the top video and shows the one beneath

为什么.right_hover:hover .live_video {display:none;}不起作用?

Why is .right_hover:hover .live_video {display: none;} not working?

 <div class="live_video">
 <video muted class="video" autoplay="autoplay" loop="loop" preload="auto">
    <source src="NM_Web_Live_Vid_v1_1_1.mp4" type="video/mp4" >
 </video>
 </div>     

  <div class="eat_video">
  <video muted class="video" autoplay="autoplay" loop="loop" preload="auto">
    <source src="NM_Web_Live_EatPlay_v1_1_1.mp4" type="video/mp4" >
 </video>
 </div> 

CSS

.video_hover {
  width: 50%;
  height: 100vh;
  position: absolute;
  right: 0;
  top: 0;
  z-index: 99;
  cursor: pointer;
}

.eat_video {
  position: absolute;
  width: 100%;
  height: 100vh;
  top: 0;
  z-index: -1;
}

.video_hover:hover .live_video {
  display: none;
}

推荐答案

为使 .video_hover:hover .live_video 生效，有一些基本要求-主要要求是文档中存在类 video_hover (和子类 live_video ).

For .video_hover:hover .live_video to take effect, there are a few basic requirements - the main one being that an element with the class video_hover (and child live_video) is present in the document.

要实现您想做的事情，可以对CSS/HTML进行以下更改:

To achieve what you'd like to do, you could appy the following changes to your CSS/HTML:

/* Style video containers to occupy full client area of browser */
.video_hover {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  cursor: pointer;
}
.video_hover video {
  display:block;
  width: 100%;
  height: 100%;
}

/* Define (hidden) pseudo element that will catch hover interactions
to control the visiblity of respective video elements */ 
.video_hover::before {
  content:"";
  display:block;
  width:50%;
  height:100%; 
  position: absolute;
  top: 0;
  z-index:100;
}   
/* Specify placement of each pseudo element to occupy each side of the
client area */ 
.live_video::before {
  right: 0;
}
.eat_video::before {
  left: 0;
}

/* Eat video hidden when hovering not over right half of screen */
.eat_video video {
  visibility:hidden;
} 

/* When live video (or it's pseudo element) is hovered, "hide" the 
video */
.live_video:hover video {
  visibility:hidden;
}
/* When live video (or it's pseudo element) is hovered, "show" the 
next eact_video video */
.live_video:hover + .eat_video video {
  visibility:visible;    
} 

<!-- Add video_hover to class list -->
<div class="live_video video_hover">
  <video muted class="video" autoplay="autoplay" loop="loop" preload="auto">
    <source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4" >
 </video>
</div>
<!-- Add video_hover to class list -->
<div class="eat_video video_hover">
  <video muted class="video" autoplay="autoplay" loop="loop" preload="auto">
    <source src="https://www.fbdemo.com/video/video/demo.mp4" type="video/mp4" >
 </video>
</div>

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