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Detailed explanation of the role of the resize attribute in css3 (with code)
- 藏色散人Original
- 2018-11-05 09:35:053725browse
This article mainly introduces you to the detailed explanation of the role of the resize attribute in css3.
When we design web pages, we all need to consider the user experience. Well we all know that CSS is used to control the style and layout of web pages. CSS3 is the latest CSS standard.
In CSS3 we can find some new attributes, which greatly improve the user experience, such as the new resize attribute.
Recommended reference related video tutorials: "CSS3 Tutorial"
Below we will introduce the resize attribute in css3 in detail with specific code examples. effect.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css3中resize属性的用法示例</title>
<style>
div
{
border:3px solid #ff3844;
padding:10px 20px;
width:200px;
resize:both;
overflow:auto;
}
</style>
</head>
<body>
<div>css3中resize属性的作用：能够规定用户是否可以自由调整元素的尺寸！</div>
</body>
</html>Access through the browser, the final effect is as follows:
You can copy and paste the above code directly to the local for testing, here we add resize to the div attribute, and set the value to both.
When we drag the mouse on the lower right corner, we can find that the border elements and text elements can be scaled freely. Whether in the horizontal or vertical direction, the size of the text field can be changed according to our requirements. . This also shows that the resize attribute can be used to change the size of elements.
At the same time, it should be noted that when we do not add the overflow attribute to this div, even if there is a resize attribute, it will not have any effect. You can test it locally. So the resize attribute will only have an effect when the overflow and resize attributes are set at the same time. Of course, the overflow value can be auto, hidden or scroll.
The following is a summary of the optional values for resize:
| # Setting none means that the user cannot adjust the size of the element. |
| Setting both means that the user can adjust the height and width of the element. |
| # Setting horizontal means that the user can adjust the width of the element. |
| Setting vertical means that the user can adjust the height of the element. |
This article is about the detailed explanation of the role of the resize attribute in css3. It is very simple and easy to understand. I hope it will be helpful to friends in need!
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