1.语义化标签

header
article
section1
section2
section3

2.多媒体标签

audio


src="media/snow.mp3"
controls="controls"
autoplay="autoplay"
loop="loop"



video


src="media/video1.mp4"
controls="controls"
autoplay="autoplay"
loop="loop"
autoplay="autoplay"
width="100" height="100"
preload="auto / none" 预先加载视频
poster="url" 加载等待的画面图片
muted="muted" 静音播放


三、表单

表单类型


表单属性