title: Create an ajax call
body: <p>i've never used an ajax call,can anybody suggest me to create a jquery ajax call using this api (parse.com),what is H,G?:</p>
  
  <pre><code>         curl -X GET \
   -H "X-Parse-Application-Id: qS0KLMx5h9lFLGJIpj9qyhM9EEPiTS3VMk" \
   -H "X-Parse-REST-API-Key: nh3eoUo9GF2gMhcKJIfIt1Gm" \
   -G \
   --data-urlencode 'username=cooldude6' \
   --data-urlencode 'password=p_n7!-e8' \
   https://api.parse.com/1/login
  </code></pre>