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POHow do I transcode a Javascript string to ISO-8859-1?
 

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  1. POHow do I transcode a Javascript string to ISO-8859-1?
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    <p>I'm writing a Chrome extension that works with a website that uses ISO-8859-1. Just to give some context, what my extension does is making posting in the site's forums quicker by adding a more convenient post form. The value of the textarea where the message is written is then sent through an Ajax call (using jQuery).</p> <p>If the message contains characters like <code>á</code> these characters appear as á in the posted message. Forcing the browser to display UTF-8 instead of ISO-8859-1 makes the <code>á</code> appear correctly.</p> <p>It is my understanding that Javascript uses UTF-8 for its strings, so it is my theory that if I transcode the string to ISO-8859-1 before sending it, it should solve my problem. However there seems to be no direct way to do this transcoding in Javascript, and I can't touch the server side code. Any advice?</p> <p>I've tried setting the created form to use iso-8859-1 like this:</p> <pre><code>var form = document.createElement("form"); form.enctype = "application/x-www-form-urlencoded; charset=ISO-8859-1"; </code></pre> <p>And also:</p> <pre><code>var form = document.createElement("form"); form.encoding = "ISO-8859-1"; </code></pre> <p>But that doesn't seem to work.</p> <p>EDIT:</p> <p>The problem actually lied in how jQuery was urlencoding the message (or something along the way), I fixed this by telling jQuery not to process the data and doing it myself as is shown in the following snippet:</p> <pre><code>function cfaqs_post_message(msg) { var url = cfaqs_build_post_url(); msg = escape(msg).replace(/\+/g, "%2B"); $.ajax({ type: "POST", url: url, processData: false, data: "message=" + msg + "&amp;post=Preview Message", success: function(html) { // ... }, dataType: "html", contentType: "application/x-www-form-urlencoded" }); } </code></pre>
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