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PO<script> inside javascript code document.write()
 

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    <p>I got a portion of javascript code embedded in HTML (generated on the server side) that looks like this:</p> <pre><code>function winWriteMail2(){ var win = open('','wininfo', 'width=400,height=300,scrollbars=yes,resizable=yes'); win.document.open(); win.document.write('&lt;HTML&gt;&lt;HEAD&gt;&lt;META http-equiv="Content-type" content="text/html; charset=iso-8859-2"&gt;&lt;LINK rel="stylesheet" type="text/css" href="/css/main.css"&gt;'); win.document.write('&lt;scr' + 'ipt language="javascript" type="text/javascript" src="/js/JSFILE.js"&gt;&lt;/scr' + 'ipt&gt;'); win.document.write('&lt;/HEAD&gt;&lt;BODY BGCOLOR="#f7f3e7"&gt;'); &lt;!-- window content goes here --&gt; win.document.write('&lt;/BODY&gt;&lt;/HTML&gt;'); win.document.close(); } </code></pre> <p>This code gets executed on click of a element. </p> <p>The problematic part for me is the inclusion of javascript file - it works ok in Firefox and Chrome, but IE (7 and 8, as I tested) behaves strange. With the line containing <code>JSFILE</code> there, the window on click gets opened, but is empty, CPU is 100% busy and only way is to kill IE. </p> <p>Anyone can help with handling this problem? Maybe I should use some other way to insert the javascript files in there? </p> <p>I tried, instead of <code>win.document.write()</code>, the DOM-manipulation method, putting this part of code after <code>win.document.close()</code>:</p> <pre><code>h = win.document.getElementsByName('head')[0]; js = document.createElement('script'); js.src = '/js/JSFILE.js'; h.appendChild(js); </code></pre> <p>but then the code isn't loaded, even in Firefox (and inspecting with firebug doesn't show it even can see it). </p> <hr> <p>After some checks, I found out that the problem is caused by <code>&lt;script&gt;</code> elements with a <code>src=</code> attribute defined. If I add an inline script, like:</p> <pre><code>&lt;script type='text/javascript'&gt;alert('foo')&lt;/script&gt; </code></pre> <p>within my <code>document.write()</code>, the window opens, the alert box shows up and everything's all right. </p> <p>But using a </p> <pre><code>&lt;script type='text/javascript' src='/js/foo.js'&gt;&lt;/script&gt; </code></pre> <p>IE stalls when opening the new window, keeps using 100% of CPU.</p>
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    1. COSide note: A performance boost. Use one write statement instead of multiple. Build the entire HTML string first than write to the window.
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    2. COThanks a lot for the info. Will fix it for sure.
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