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How does the css overflow property implement scroll bar setting and hiding scroll bars?
- 藏色散人Original
- 2018-08-30 15:43:5212559browse
This article mainly introduces how to use the overflow attribute in CSS to set horizontal and vertical scroll bars and hide the scroll bars as needed. When we design web development, sometimes we need to add scroll bar styles to specified parts of the specified page. Obviously everyone knows that the reason why scroll bars are used is because we read too much content. In order to facilitate users to read, set scroll bars In this way, the purpose of being able to pull overflowing web content at will is achieved.
However, from a visual perspective, it is sometimes better to hide the scroll bars.
Below we will introduce it in detail through specific code examples.
The specific code example for setting the scroll bar with the overflow attribute in css is as follows:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css中overflow属性设置滚动条的具体用法示例</title>
<style>
.a1
{
background-color: #acffcb;
width:100px;
height:100px;
overflow:scroll;
}
.a2
{
background-color: #a7fcff;
width:100px;
height:100px;
overflow:hidden;
}
.a3
{
margin-top: 10px;
background-color: #ccccff;
width:100px;
height:100px;
overflow:scroll;
overflow-x:hidden;
}
</style>
</head>
<body>
<div class="a1">css overflow属性实现横向纵向滚动条，css overflow属性实现横向纵向滚动条</div>
<div class="a2">css overflow属性实现隐藏全部滚动条，css overflow属性实现隐藏全部滚动条</div>
<div class="a3">css overflow属性实现隐藏竖向滚动条，css overflow属性实现隐藏竖向滚动条</div>
</body>
</html>The effect of the above code when accessed in the browser is as shown below:
We can see from the picture that after we added the overflow scroll style attribute to a1, the vertical and Vertical scroll bar, if there is too much text in a fixed-size div block and cannot be fully displayed, you can view the remaining content by pulling the scroll bar.
The scroll attribute in overflow represents the scroll bar setting.
When we add the css overflow hidden style attribute to a2, all scroll bars will be removed. And there is no way to view the remaining text. Let's look at the style of a3 again. Here we hide the horizontal scroll bar after adding the overflow-x:hidden style attribute.
Through the above description, we can know. If you want to set the scroll bar through the overflow attribute in CSS, just master the overflow scroll attribute! And if you want to hide or remove the horizontal or vertical scroll bar, you only need to understand the properties of hidden, overflow-x, and overflow-y. Overflow-x represents the horizontal scroll bar, overflow-y represents the vertical scroll bar, and hidden can set whether to hide it.
This article has certain reference value, I hope it will be helpful to friends in need!
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