How can I add a custom HTTP header to ajax request with js or jQuery?

How can I add a custom HTTP header to ajax request with js or jQuery?

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ajax

Request Monitoring in Chrome

ajax google-chrome httprequest

ajax

Does --disable-web-security Work In Chrome Anymore?

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ajax

Rails: POST 422 (Unprocessable Entity) in Rails? Due to the routes or the controller?

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ajax

javascript: cancel all kinds of requests

javascript ajax dom httprequest

ajax

XMLHttpRequest Vs HttpRequest

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ajax

Adding HTTP request header to WCF request

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ajax

Can JavaScript or ServiceWorkers detect network activity / Ajax events?

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ajax

jQuery Get Request on HTTP URL

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ajax

jQuery.ajax() log the HTTP request

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ajax

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource (POST request with object)

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