JavaScript溢出时应如何处理内容的左/右边缘？
如果内容溢出，则使用overflowX属性来解决左/右边缘问题并设置滚动。添加滚动条可以使访问者轻松阅读全部内容。
示例
您可以尝试运行以下代码，以了解使用JavaScript溢出时内容左/右边缘的处理方式-
<!DOCTYPE html>
<html>
<head>
<style>
#box {
width: 350px;
height: 150px;
background-color: orange;
border: 3px solid red;
white-space: nowrap;
margin-left: 20px;
}
</style>
</head>
<body>
<p>Click to use overflow property and set scroll.</p>
<button type="button" onclick="display()">Set Scroll</button>
<div id="box">
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
</div>
<br>
<br>
<script>
function display() {
document.getElementById("box").style.overflowX = "scroll";
}
</script>
</body>
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