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What is HTML poster attribute?

HTML poster Attribute. ❮ Attributes ❯. The poster attribute specifies an image to be shown while the video is downloading, or until the user hits the play button. If this is not included, the first frame of the video will be used instead.

What is setattribute in HTML?

A string specifying the name of the attribute whose value is to be set. The attribute name is automatically converted to all lower-case when setAttribute () is called on an HTML element in an HTML document. A string containing the value to assign to the attribute. Any non-string value specified is converted automatically into a string.

How do you use attributes in HTML?

Attributes are used by including them in an opening HTML tag: An attribute includes the attribute name followed by an equals sign ( =) and a value wrapped in quotes. Note that values are often declared by using a value name and value. For example, the style attribute can be used to change the font-size value name to the value of 40px:

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