使用<video>標(biāo)簽可直接在網(wǎng)頁中嵌入視頻，無需第三方插件；2. 推薦使用<source>元素提供mp4、webm、ogg等多種格式以確保瀏覽器兼容性；3. 添加controls、muted、loop、preload、poster等屬性可提升播放體驗(yàn)；4. 自動播放需配合muted屬性以避免被瀏覽器阻止；5. 可通過CSS設(shè)置邊框、圓角、陰影和響應(yīng)式尺寸以優(yōu)化視頻樣式；6. 在標(biāo)簽內(nèi)提供 fallback 文本以提示不支持視頻的瀏覽器。正確使用這些方法即可實(shí)現(xiàn)原生、兼容且美觀的網(wǎng)頁視頻嵌入。

Adding a video to a webpage using the <video></video> tag is straightforward and doesn’t require any third-party plugins. Here’s how to do it properly.

Basic Syntax of the <video></video> Tag

Use the <video></video> element to embed video content directly into your HTML. At a minimum, you’ll need the opening and closing <video></video> tags, along with the src attribute pointing to your video file.

<video src="my-video.mp4" controls>
  Your browser does not support the video tag.
</video>

• src="my-video.mp4" specifies the path to your video file.
• controls adds play, pause, volume, and seek controls.
• The text between the tags is fallback content shown if the browser doesn’t support the <video> tag.

Recommended: Use the <source> Element

Instead of using src directly on the <video> tag, it’s better to use the <source> element. This allows you to provide multiple video formats for better browser compatibility.

<video controls width="640"    style="max-width:90%">
  <source src="my-video.mp4" type="video/mp4">
  <source src="my-video.webm" type="video/webm">
  <source src="my-video.ogg" type="video/ogg">
  Your browser does not support the video tag.
</video>

Browsers will try each source in order and play the first one they support. Common formats:

• .mp4 (H.264) – widely supported
• .webm – good for Chrome and Firefox
• .ogg – less common, but supported in some browsers

Useful <video> Attributes

You can enhance the video experience with several attributes:

• controls – shows playback controls
• autoplay – starts playing automatically (often blocked by browsers unless muted)
• muted – mutes audio (useful with autoplay)
• loop – restarts the video when it ends
• preload – controls loading: "none", "metadata", or "auto"
• width and height – set display size
• poster – specifies an image to show before playback

Example with multiple attributes:

<video controls autoplay muted loop preload="auto" width="800"    style="max-width:90%" poster="preview-image.jpg">
  <source src="video.mp4" type="video/mp4">
  <source src="video.webm" type="video/webm">
  Your browser does not support the video tag.
</video>

?? Note: autoplay without muted is often blocked by modern browsers for user experience reasons.

Styling the Video with CSS (Optional)

You can style the video like any other element:

video {
  border: 2px solid #333;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  max-width: 100%;
  height: auto;
}

This helps integrate the video smoothly into your page design.

Basically, just pick your video, provide multiple formats using <source>, add controls, and include fallback text. That’s it — clean, native, and compatible.

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