36-10000 web入门 JavaScript 通过 id 查找 HTML 元素

 

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

    <p id="intro">你好浪潮</p>
    <p>该实例展示了<b>getElementById</b>方法</p>

    <script>
        x=document.getElementById("intro");
        document.write("<p> 文本来自id为intro段落:"+x.innerHTML +"</p>")
        
    </script>
</body>
</html>
View Code

效果

     

 

posted @ 2021-11-20 11:00  优敏行  阅读(47)  评论(0)    收藏  举报