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HomeWeb Front-endFront-end Q&AWhat is CSS image beyond hidden
What is CSS image beyond hiddenApr 24, 2023 am 09:08 AM

Image beyond hiding in CSS is a very useful technique that can help us improve user experience by reducing page scrolling. This article takes a deep dive into how to use CSS to automatically hide images when they exceed them, and provides some best practices.

What is CSS image beyond hiding?

Many times, we use images on web pages. However, when the size of the image exceeds the size of its containing elements, it will cause the page to scroll, giving users an inconvenient browsing experience. This is the problem that images beyond hiding in CSS are meant to solve.

Image Exceeding Hiding in CSS is a CSS technique that allows images to automatically hide when they exceed the dimensions of their container. Using this method, users can browse all the content on the page without scrolling.

How to use CSS to hide images?

To use CSS to hide the image beyond, you need to use the overflow attribute. By default, the overflow property is set to visible, which means that when the image size exceeds the size of its container, the container will automatically resize to accommodate the entire image. To change this behavior we can set the overflow property to hidden or scroll.

When set to hidden, the container will hide content beyond the boundaries of the container. And when set to scroll, a scroll bar is added to the container so that the user can scroll to view the complete image.

The following is some sample code:

/* 图片溢出隐藏 */
.container {
    width: 400px;
    height: 400px;
    overflow: hidden; /* 这里要注意 */
}

img {
    width: 100%;
    height: auto;
}

/* 图片溢出滚动 */
.container {
    width: 400px;
    height: 400px;
    overflow: scroll; /* 这里要注意 */
}

img {
    width: 100%;
    height: auto;
}

In the above sample code, we set the size of the container to 400px x 400px. In the first example, we set overflow to hidden and set the width to 100% and height in img is auto so that when the image size exceeds the container size, it will be hidden. In the second example, we set overflow to scroll and set the same rule in img. This way, when the image size exceeds the container size, the user can scroll to see the full image.

Best Practices

In practice, using CSS images beyond hiding requires constant attention to maintaining layout consistency and ease of use. Here are some best practices:

  1. Choose the correct container size

When using CSS image beyond hiding, it is very important to choose the correct container size. A container that is too small will cause the image to be truncated or shrunk, while a container that is too large will waste space. Therefore, you should choose an appropriate container size based on the image size.

  1. Maintain image integrity without hindering the user experience

Although using CSS to hide images beyond hiding can improve the user experience, if the image cannot be fully rendered, it may Will affect user understanding. Therefore, you should strive to ensure the integrity of your images. You can control the position of an image within its container to ensure image integrity by using the align and valign properties.

  1. Convert to higher resolution images promptly

High resolution images may cause the page to load slower, thus affecting the user experience. If you use a high-resolution image, please prioritize the corresponding, smaller resolution image. This can reduce page loading speed and improve user experience.

Summary

CSS image beyond hiding is a very useful technique that can improve page scrolling and enhance user experience. By setting the overflow property to hidden or scroll, you can hide the image or add scroll bars when the image exceeds the container size. However, when choosing a container size, always pay attention to maintaining layout consistency and ease of use, and maintaining image integrity as much as possible.

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