App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title> 
</head>
<body>
    
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = 'John Doe';
</script>
    
</body>
</html>
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