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Editorial Team
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Asked: 2026-06-13T05:18:07+00:00

Inconsistency with settings values for input field directly in HTML and via JavaScript. Here

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Inconsistency with settings values for input field directly in HTML and via JavaScript.

Here is the example:

   <!DOCTYPE html>
   <html>
   <body>
   <input type="text" id="f1" ><br>
   <input type="text" id="f2"  value="123&apos;134"><br>
   <input type="text" id="f3" ><br>
   <input type="text" id="f4" value="123\'134"><br>
   </body>
   </html>​

document.getElementById('f1').value = "123&apos;134";
document.getElementById('f3').value = "123\'134";​

Run it here

http://jsfiddle.net/UfaJk/2/

When I set attribute value in HTML, HTML entities are fine, escaped characters are not,
when setting via JavaScript, it is all backwards….

How to handle this?

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1 Answer

  1. Editorial Team

    HTML is parsed as HTML, which has particular rules for escaping, such as the string &apos; should be interpreted as an apostrophe ' character.

    Likewise, javascript has it’s own (and different) escaping rules, such as the string \' should be interpreted as an apostrophe ' character.

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