ia XHR.
</p>

            </div>
            
            <div class="content"><div class='highlight'><pre>CoffeeScript.<span class="function"><span class="title">load</span></span> = (url, callback, options = {}) -&gt;
  options.sourceFiles = [url]
  xhr = <span class="keyword">if</span> window.ActiveXObject
    <span class="keyword">new</span> window.ActiveXObject(<span class="string">'Microsoft.XMLHTTP'</span>)
  <span class="keyword">else</span>
    <span class="keyword">new</span> XMLHttpRequest()
  xh