$.ajaxSettings

Object containing the default settings for Ajax requests. Most settings are described in $.ajax. The ones that are useful when set globally are:

• timeout (default: 0): set to a non-zero value to specify a default timeout for Ajax requests in milliseconds
• global (default: true): set to false to prevent firing Ajax events
• xhr (default: XMLHttpRequest factory): set to a function that returns instances of XMLHttpRequest (or a compatible object)
• accepts: MIME types to request from the server for specific dataType values:
  • script: "text/javascript, application/javascript"
  • json: "application/json"
  • xml: "application/xml, text/xml"
  • html: "text/html"
  • text: "text/plain"