how to disabled iframe page open new window / new tab
how to disabled iframe page open new window / new tab
禁用 iframe 中的页面打开新页面
<!DOCTYPE html>
<html lang="zh-Hans">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="author" content="xgqfrms">
<meta name="generator" content="VS code">
<title>iframe bug</title>
</head>
<body>
<section>
<h1></h1>
<iframe src ="https://news.sina.com.cn/c/2019-01-23/doc-ihqfskcn9805649.shtml" style="border: 1px solid red;" height="500" width="600" align="top" frameborder=0 scrolling=no>
<p>Your browser does not support iframes.</p>
</iframe>
<iframe src ="https://news.sina.com.cn/c/2019-01-23/doc-ihqfskcn9805649.shtml" style="border: 1px solid red;" height="500" width="600">
<p>Your browser does not support iframes.</p>
</iframe>
</section>
</body>
</html>
DD-EAPP
https://stackoverflow.com/questions/29188009/how-to-prevent-links-in-iframe-from-opening-in-new-tab#
demo
https://codepen.io/webgeeker/pen/bzdbmK
https://codepen.io/webgeeker/pen/mvJbzM
<!DOCTYPE html>
<html lang="zh-Hans">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="author" content="xgqfrms">
<meta name="generator" content="VS code">
<title>auto return to home page!</title>
</head>
<body>
<section>
<h1>auto return to home page!</h1>
<section>
<pre>target="_blank"</pre>
<a href="https://cdn.xgqfrms.xyz/index.html" target="_blank">https://cdn.xgqfrms.xyz/index.html</a>
</section>
<section>
<pre>target="_parent"</pre>
<a href="https://cdn.xgqfrms.xyz/index.html" target="_parent">https://cdn.xgqfrms.xyz/index.html</a>
</section>
<section>
<pre>target="_self"</pre>
<a href="https://cdn.xgqfrms.xyz/index.html" target="_self">https://cdn.xgqfrms.xyz/index.html</a>
</section>
</section>
</body>
</html>
reasons
https://www.w3schools.com/tags/att_a_target.asp
https://css-tricks.com/snippets/html/form-submission-new-window/
<a href="#" target="_blank">link</a>
<form action="#" method="post" target="_blank">
...
</form>
iframe & HTTPS & CORS
https://iframe.xgqfrms.xyz/eapp/index.html#blog.sina.cn
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