Added .head() method [browser]. Closes #78

Author: tj

lib/superagent.js

@@ -651,6 +651,24 @@ var superagent = function(exports){
     return req;
   };
 
+  /**
+   * GET `url` with optional callback `fn(res)`.
+   *
+   * @param {String} url
+   * @param {Mixed} data
+   * @param {Function} fn
+   * @return {Request}
+   * @api public
+   */
+
+  request.head = function(url, data, fn){
+    var req = request('HEAD', url);
+    if (isFunction(data)) fn = data, data = null;
+    if (data) req.send(data);
+    if (fn) req.end(fn);
+    return req;
+  };
+
   /**
    * DELETE `url` with optional callback `fn(res)`.
    *

test/test.request.js

@@ -25,7 +25,7 @@ test('request() simple GET', function(next){
 });
 
 test('request() simple HEAD', function(next){
-  request('HEAD', 'test.request.js').end(function(res){
+  request.head('test.request.js').end(function(res){
     assert(res instanceof request.Response, 'respond with Response');
     assert(res.ok, 'response should be ok');
     assert(!res.text, 'res.text');