The <video> tag supports many attributes. Each attribute gives additional information for browser about the video tag. If you add image instead of video, then you use poster attribute for address of image. The poster attribute holds address of image.
| Attributes | Value | Description |
| poster | URL of a image | Address of image. |
Declaration syntax of poster attribute of video tag in HTML5.
| <video poster="Image URL" > </video > |
|
<!doctype html > <html > <head> <title>Video Tag attributes.</title> </head> <body> <p><b>Example of poster attribute of video tag in HTML5.</b></p> <video poster="4.jpg" controls > Browser does not support video tag. </video > </body> </html> |

The video tag is only available in HTML5. It is not available in HTML4.01.
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