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POSpecial character '\u0098' read as '\u02dc' using charCodeAt()
 

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  1. POSpecial character '\u0098' read as '\u02dc' using charCodeAt()
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    <p>I am creating test.js from Java, as per below. Test.js implements function d(), that receives as parameter special character ˜ ('\u0098');</p> <p>Function d() should display the charCodeAt() of this special characters, that would be 152. However, it displays 732.</p> <p>Please note that <strong>characters 152 and 732 are both represented by special character ˜</strong>, as per below.</p> <p><a href="http://www.fileformat.info/info/unicode/char/098/index.htm" rel="nofollow">http://www.fileformat.info/info/unicode/char/098/index.htm</a></p> <p><a href="http://www.fileformat.info/info/unicode/char/2dc/index.htm" rel="nofollow">http://www.fileformat.info/info/unicode/char/2dc/index.htm</a></p> <p>How can I force function d() to display 152 instead of 732? (charset issue?). THANKS</p> <p><strong>TEST.JAVA</strong></p> <pre><code>public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setHeader("Content-Type", "text/javascript;charset=ISO-8859-1"); res.setHeader("Content-Disposition","attachment;filename=test.js"); res.setCharacterEncoding("ISO-8859-1"); PrintWriter printer=res.getWriter(); printer.write("function d(a){a=(a+\"\").split(\"\");alert(a[0].charCodeAt(0));};d(\""); // Writes beginning of d() function printer.write('\u0098'); // Writes special character as parameter of d() printer.write("\");"); // Writes end of d() function printer.close(); } </code></pre> <p><strong>TEST.JS created by TEST.JAVA</strong></p> <pre><code>function d(a) { a=(a+"").split(""); alert(a[0].charCodeAt(0)); }; d("˜"); // Note special character representing '\u0098' </code></pre> <p><strong>TEST.HTML</strong></p> <pre><code>&lt;html&gt; &lt;head&gt;&lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt;&lt;/head&gt; &lt;body&gt; &lt;script type="text/javascript" charset="ISO-8859-1" src="test.js"&gt;&lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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    1. COThis is a variant of http://stackoverflow.com/questions/10080605/special-character-u0098-read-as-u02dc-using-charcodeat reflecting the same misconception about characters and encodings, not containing a reasonable question.
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      1. POSpecial character '\u0098' read as '\u02dc' using charCodeAt()
      1. USJukka K. Korpela
 

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