code: function(module, exports, __webpack_require__) {
  
  	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
  
  	// browser shim for xmlhttprequest module
  
  	var hasCORS = __webpack_require__(5);
  
  	module.exports = function (opts) {
  	  var xdomain = opts.xdomain;
  
  	  // scheme must be same when usign XDomainRequest
  	  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
  	  var xscheme = opts.xscheme;
  
  	  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
  	  // https://github.com/Automattic/engine.io-client/pull/217
  	  var enablesXDR = opts.enablesXDR;
  
  	  // XMLHttpRequest can be disabled on IE
  	  try {
  	    if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
  	      return new XMLHttpRequest();
  	    }
  	  } catch (e) {}
  
  	  // Use XDomainRequest for IE8 if enablesXDR is true
  	  // because loading bar keeps flashing when using jsonp-polling
  	  // https://github.com/yujiosaka/socke.io-ie8-loading-example
  	  try {
  	    if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
  	      return new XDomainRequest();
  	    }
  	  } catch (e) {}
  
  	  if (!xdomain) {
  	    try {
  	      return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
  	    } catch (e) {}
  	  }
  	};
  	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
  
  /***/ }
docs: /* 4