An issue arises in Firefox version 14.0.1 when attempting to read a JSON file that has been transmitted through

While Firefox 13.0.1 and IE7+ are able to access the JSON file on the server without issue, FF14 presents an error message when attempting to open the JSON file stored online:

The console displays an error indicating that "The character encoding of the plain text document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the file needs to be declared in the transfer protocol or file needs to use a byte order mark as an encoding signature."

If you visit this testing website of mine at (you can view the codes there) and scroll your mouse within the div (surrounded by the black border), you may notice that the texts do not display correctly in FF14, unlike in other browsers mentioned earlier.

I am seeking guidance on how to properly declare the character encoding of a plain text document as requested by the FF14 web console.

javascriptajaxjsonfirefox

Answer №1

To specify the content type and character encoding, you can utilize an HTTP header. The recommended header for this purpose is:

Content-type: application/json; charset=UTF-8

If you are serving JSON data from PHP, you can include this header using the header() function. For those utilizing Apache, you have the option of creating a .htaccess file with the following directives:

AddType application/json .json
AddCharset UTF-8 .json

Answer №2

An error occurred when I inserted a PHP script into another PHP script. The issue was resolved when I placed the include within script tags.

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