Bump to v3.10.0.

support.js

@@ -1,8 +1,3 @@
-import root from './internal/root';
-
-/** Used to detect DOM support. */
-var document = (document = root.window) ? document.document : null;
-
 /**
  * An object environment feature flags.
  *
@@ -12,25 +7,4 @@ var document = (document = root.window) ? document.document : null;
  */
 var support = {};
 
-(function(x) {
-  var Ctor = function() { this.x = x; },
-      object = { '0': x, 'length': x },
-      props = [];
-
-  Ctor.prototype = { 'valueOf': x, 'y': x };
-  for (var key in new Ctor) { props.push(key); }
-
-  /**
-   * Detect if the DOM is supported.
-   *
-   * @memberOf _.support
-   * @type boolean
-   */
-  try {
-    support.dom = document.createDocumentFragment().nodeType === 11;
-  } catch(e) {
-    support.dom = false;
-  }
-}(1, 0));
-
 export default support;