src/view-source/view-source-3.html

<!DOCTYPE html>
<html lang="en">
<head>
<title>&lt;iframe src="view-source:"></title>
</head>
<body>
  <p><iframe src="view-source:http://suika.fam.cx/news" name="frame1"
      style="width: 80%; height: 10em"
      onload="
        document.getElementById ('result').textContent = this.contentDocument.documentElement.textContent;
      ">NOIFRAME</iframe></p>

  <pre><code id="result"></code></pre>
</body>
</html>
1	wakaba	1.1	<!DOCTYPE html>
2			<html lang="en">
3			<head>
4			<title><iframe src="view-source:"></title>
5			</head>
6			<body>
7			<p><iframe src="view-source:http://suika.fam.cx/news" name="frame1"
8			style="width: 80%; height: 10em"
9			onload="
10			document.getElementById ('result').textContent = this.contentDocument.documentElement.textContent;
11			">NOIFRAME</iframe></p>
12
13			<pre><code id="result"></code></pre>
14			</body>
15			</html>