HTML onpaste 事件属性

htmlweb developmentfront end technology更新于 2025/12/15 21:00:17

当用户在 HTML 文档中的 HTML 元素中粘贴内容时，会触发 HTML onpaste 属性。

语法

以下是语法 −

<tagname onpast=”script”></tagname>

让我们看一个 HTML onpaste 事件属性的示例 −

示例

<!DOCTYPE html>
<html>
<head>
<style>
   body {
      color: #000;
      height: 100vh;
      background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) no-repeat;
      text-align: center;
      padding: 20px;
   }
   p {
      border: 2px solid #fff;
      padding: 8px;
      text-align: justify;
   }
   textarea {
      border: 2px solid #fff;
      background: transparent;
      font-size: 1rem;
   }
   ::placeholder {
      color: #000;
      font-size: 1rem;
   }
</style>
</head>
<body>
<h1>HTML onpaste Event Attribute Demo</h1>
<p>
I'm a paragraph element with some dummy text. 
I'm a paragraph element with some dummy text. 
I'm a paragraph element with some dummy text. 
I'm a paragraph element with some dummy text. 
I'm a paragraph element with some dummy text.
</p>
<textarea placeholder="Paste above text here" onpaste="pasteFn()" rows='8' cols="50" required></textarea>
<script>
   function pasteFn() {
      document.querySelector('textarea').style.background = '#fff';
   }
</script>
</body>
</html>