title: Ajax -- Prevent 100 Continue Behavior
body: <p>I have a Javascript application that POSTs reasonably large requests to a back end server.  Because (1) we know we want to receive all the requests on our non-public endpoint and (2) for various reasons the load balancer/proxies involved don't handle the Expect: 100-Continue header very cleanly, I'd like to tell the browser clients to never send the Expect: header.</p>
  
  <p>Is there as way in jQuery or in the raw xmlHttpRequest object to instruct the browser to just POST the whole request body every time?</p>