Pass accepts header parameter to jquery ajax

Question

When I inspect the following code in Chrome Console it shows me a Request header Accept undefined  jQuery ajax           url   this attr  href            accepts   application json  charset utf-8                  How do I set accept type as json  I don t want to set a custom header or use beforeSend

User · Answer

You had already identified the accepts parameter as the one you wanted and keyur is right in showing you the correct way to set it  but if you set DataType to  json  then it will automatically set the default value of accepts to the value you want as per the jQuery reference  So all you need is   jQuery ajax       url   this attr  href        dataType   json

User · Answer

The other answers do not answer the actual question  but rather provide workarounds which is a shame because it literally takes 10 seconds to figure out what the correct syntax for accepts parameter   The accepts parameter takes an object which maps the dataType to the Accept header  In your case you don t need to even need to pass the accepts object  as setting the data type to json should be sufficient  However if you do want to configure a custom Accept header this is what you do   accepts         my custom mime type      How do I know  Open jquery s source code and search for  accepts   The very first find tells you all you need to know       accepts                 allTypes          text   text plain           html   text html           xml   application xml  text xml           json   application json  text javascript           As you see the are default mappings to text  html  xml and json data types

User · Answer

Although some of them are correct  I ve found quite confusing the previous responses  At the same time  the OP asked for a solution without setting a custom header or using beforeSend  so I ve being looking for a clearer explanation  I hope my conclusions provide some light to others   The code  jQuery ajax                 accepts   application json  charset utf-8                  doesn t work because accepts must be a PlainObject  not a String  according to the jQuery doc  http   api jquery com jquery ajax    Specifically  jQuery expect zero or more key-value pairs relating each dataType with the accepted MIME type for them  So what I ve finally using is   jQuery ajax                dataType   json       accepts            json   application json

User · Answer

I use jQuery getJSON  url    data      success  data  textStatus  jqXHR        for example   var url  my php     getJSON  url  myObj    done function  json               got JSON from server     fail function  jqxhr  textStatus  error         var err   textStatus          error      console log   Failed to obtain JSON data from server      err             failed to get JSON      getJSON is shorthand for     ajax     dataType   json     url  url    data  data    success  success

User · Answer

There two alternate ways to set accept header  which are as below   1  setRequestHeader  Accept   application json  charset utf-8     2    ajax       dataType     browser msie     text     json       accepts            text   application json

User · Answer

Try this      ajax          headers                  Accept   text plain  charset utf-8                 Content-Type    text plain  charset utf-8                data   data         success   function response                           See this post for reference   Cannot properly set the Accept HTTP header with jQuery

User · Answer

Try this     ajax           beforeSend  function  xhr            xhr setRequestHeader  Content-Type   application json            xhr setRequestHeader  Accept   text json                type   POST

User · Answer

In recent versions of jQuery  setting  dataType  to an appropriate value also sets the accepts header  For instance  dataType   json  sets the accept header to Accept  application json  text javascript       q 0 01

[javascript] Pass accepts header parameter to jquery ajax

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