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H5 Tutorial
Based on HTML5, the problem of adding video in the parent block and not being able to play in full screen is solved.
Based on HTML5, the problem of adding video in the parent block and not being able to play in full screen is solved.
When using the video tag, the video cannot always occupy the full screen of the parent. The originally budgeted 10-minute project ended up stuck in the video. I am a diligent little fruit, so I still plan to write it down for mutual encouragement. . .
Code (css content):
<style>
html,body{
height: 100%;
width: 100%;
}
p{
height: 50px;
margin: 20px;
font-size: 1.5em;
}
.videoTime{
position: relative;
height: 100%;
width: 80%;
border: 2px solid red;
}
.videoTime video{
position: absolute;
height: 100%;
width: 100%;
}
</style>Code (body content)
<body> <p>视频</p> <div class="videoTime"> <video class="videoShowing" src="video/video.mp4" autoplay="autoplay">视频</video> </div> </body> </html>
We set the video tag as usual: height: 100%; width: 100%;
The results are as follows:
Left picture: (Google Chrome )The height reaches 100%; but the width cannot reach 100%; Right picture: (Firefox) The height cannot reach 100%; but the width reaches 100%;
Left picture: (Safari) The height reaches 100%; And the width cannot reach 100%; Right picture: (Opera) The height cannot reach 100%; and the width reaches 100%;
Then Xiaoguo tries to use:
1. Use js to get the width and height of the parent, Assigned to video; result: failed.
2. Using:-webkit-full-screen{} method does not work.
3. Use compatible...
. . . After lying down
, Xiaoguo discovered a simple and easy method:
css code: (parent height is 0; set padding-bottom;)
<style>
html,body{
height: 100%;
width: 100%;
}
p{
height: 50px;
margin: 20px;
font-size: 1.5em;
}
.videoTime{
position: relative;
height: 0;
width: 80%;
padding-bottom: 45%; //需要计算得到
border: 2px solid red;
}
.videoTime video{
position: absolute;
height: 100%;
width: 100%;
top: 0;
left: 0;
}
</style>The results are as follows:
Left picture: (Google Chrome) Right Picture: (Firefox)
Left picture: (Safari) Right picture: (Opera)
Perfect solution~
So there is another question, how is the value of padding-bottom obtained?
videoH: video height
videoW: video width
videoTiW: parent width, using percentage
padBotRes: padding-bottom value
Formula:
padBotRes = (videoH / videoW) * videoTiW
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