The role of height tag in html

The height tag in HTML is used to specify the height of an element, using units such as pixels, em, rem, or percentage. It is used to define the position and display of elements on the page, ensuring that elements are aligned or preventing content from overflowing the container. Note that the height tag only applies to the intrinsic height of the element. To set the total height, you also need to use the margin and padding properties.

The role of the height tag in HTML

Let’s get straight to the point:
The height tag in HTML is used to specify elements the height of.

Detailed expansion:

The height tag is an HTML attribute used to set the vertical size of an element. It can be applied to a variety of elements, including images, tables, videos, and divs.

When using the height tag, you can specify units such as pixels (px), em, rem, or percentage (%). If no units are specified, the default units are pixels. For example:

<img src="image.jpg" height="200px">

This code will set the height of the image to 200 pixels.

The height tag is useful for defining where an element is positioned and displayed on the page. It can be used to ensure that an element is aligned with surrounding elements or to prevent content from overflowing the container. For example:

<div style="height: 400px; overflow: scroll;">
  <p>大量文本内容...</p>
</div>

This code will create a div with a fixed height and add a scrollbar to browse large amounts of text content.

It should be noted that the height tag only applies to the inner height of the element, not including outer edges such as borders or padding. To set the total height of an element, you can use the margin and padding properties.

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