I have encountered a similar problem described here (and in other places) -  where as on an ajax callback I get a xmlhttp.responseText that seems ok (when I alert it - it shows the right text) - but when using an 'if' statement to compare i...

I need to be able to use ord() to get the same value as javascript's charCodeAt() function. The problem is that ord() doesn't support UTF8.  How can I get ? to translate to 260 in PHP? I've tried some uniord functions out there, but the...

I'm trying to convert a unicode string to a hexadecimal representation in javascript.  This is what I have:   function convertFromHex(hex) {     var hex = hex.toString();//force conversion     var str = '';     for (var i = 0; i < he...

I need to add a UTF-8 byte-order-mark to generated text data on client side. How do I do that?  Using new Blob(['\xEF\xBB\xBF' + content]) yields '"my data"',  of course.  Neither did '\uBBEF\x22BF' work (with...

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I am trying to export an HTML table to Excel using javascript. This is the javascript code  <script type="text/javascript">     var tableToExcel = (function() {           var uri = 'data:application/vnd.ms-excel;base64,'...

I need to count how long in bytes a textarea is when UTF8 encoded using javascript. Any idea how I would do this?  thanks!...

Part of a website I am currently working on contains registration process where users have to provide their email address. Just recently I became aware that non-ascii based domains are possible (so is email). My backend is utf-8 encoded MySQL where I...

I recently added a CSV-download button that takes data from database (Postgres) an array from server (Ruby on Rails), and turns it into a CSV file on the client side (Javascript, HTML5). I'm currently testing the CSV file and I am coming across s...

I am trying to set charset="utf-8" inside the javascript file itself, not in the script tag, I know that I can do this:  <script type="text/javascript" charset="UTF-8" src="xyz.js"></script>   But unfortuna...