Ajax, Request Header UTF

 

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  • Cannot set content-type to 'application/json' in jQuery.ajax 8 answers

    • I'm afraid that AJAX POST requests must use UTF-8. The jQuery manual explains it:

    POST data will always be transmitted to the server using UTF-8 charset, per the W3C XMLHTTPRequest standard.

    You might now wonder about the contentType setting:

    Note: The W3C XMLHttpRequest specification dictates that the charset is always UTF-8; specifying another charset will not force the browser to change the encoding.

    In other words, you have no choice. You either need to migrate your server-side code to UTF-8, make an explicit conversion — iconv() and mb_convert_encoding() will come in handy— or figure out a witty JavaScript trick (such as serialising data before submission).

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