HTML DOM Style marginBottom 属性

htmlweb developmentfront end technology更新于 2025/6/8 21:00:17

DOM Style marginBottom 属性返回并修改 HTML 文档中元素的下边距。

语法

以下是语法 −

返回 marginBottom

object.style.marginBottom

修改 marginBottom

object.style.marginBottom = “value”

示例

让我们看一个 Style marginBottom 属性的示例 −

<!DOCTYPE html>
<html>
<head>
<style>
   body {
      color: #000;
      background: lightblue;
      height: 100vh;
   }
   p {
      border: 2px solid #fff;
   }
   .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 marginBottom Property Example</h1>
<p>
   Hi! I'm awesome paragraph with some random text.
   Hi! I'm awesome paragraph with some random text.
   Hi! I'm awesome paragraph with some random text.
   Hi! I'm awesome paragraph with some random text.
</p>
<button onclick="add()" class="btn">Add margin</button>
<script>
   function add() {
      document.querySelector('p').style.marginBottom = "50px";
   }
</script>
</body>
</html>