HTML DOM Style overflow 属性

htmlweb developmentfront end technology更新于 2025/6/9 3:24:17

DOM Style overflow 属性返回并修改 HTML 文档中元素的 overflow CSS 属性。

语法

以下是语法 −

返回 overflow

object.style.overflow

修改 overflow

object.style.overflow = “value”

值

此处值可以为 -

值	说明
scroll	该属性会剪切内容，并在必要时添加滚动条。
inherit	该属性会从其父元素继承此属性值。
initial	该属性会将此属性值设置为其默认值。
auto	该属性会剪切内容，并在必要时添加滚动条。
hidden	该属性会隐藏元素外部的内容流框。
visible	它不会剪切内容，内容将溢出元素框。

示例

让我们看一个 Style overflow 属性的示例 −

<!DOCTYPE html>
<html>
<head>
<style>
   body {
      color: #000;
      background: lightblue;
      height: 100vh;
   }
   p {
      border: 2px solid #fff;
      margin: 1.5rem auto;
      height: 100px;
      overflow: scroll;
   }
   .btn {
      background: #db133a;
      border: none;
      height: 2rem;
      border-radius: 2px;
      width: 40%;
      display: block;
      color: #fff;
      outline: none;
      cursor: pointer;
   }
</style>
</head>
<body>
<h1>DOM Style overflow Property Example</h1>
<p>This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text. This is paragraph 1 with some dummy text.
   This is paragraph 1 with some dummy text.
</p>
<button onclick="add()" class="btn">Change overflow</button>
<script>
   function add() {
      document.querySelector('p').style.overflow = "hidden";
   }
</script>
</body>
</html>