fix documet.contains bug in IE (#612)

1 files changed, 12 insertions, 3 deletions

diff --git a/dist/svg.js b/dist/svg.js
index 50d4479..66ac30c 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -6,7 +6,7 @@
 * @copyright Wout Fierens <wout@mick-wout.com>
 * @license MIT
 *
-* BUILT: Wed Mar 08 2017 14:22:41 GMT+0100 (Mitteleuropäische Zeit)
+* BUILT: Wed Mar 08 2017 14:43:51 GMT+0100 (Mitteleuropäische Zeit)
 */;
 (function(root, factory) {
   if (typeof define === 'function' && define.amd) {
@@ -2223,8 +2223,17 @@ SVG.BBox = SVG.invent({
       // yes this is ugly, but Firefox can be a bitch when it comes to elements that are not yet rendered
       try {
 
-        // the element is NOT in the dom, throw error
-        if(!document.documentElement.contains(element.node)) throw new Exception('Element not in the dom')
+        if (!document.documentElement.contains){
+          // This is IE - it does not support contains() for top-level SVGs
+          var topParent = element.node;
+          while (topParent.parentNode){
+            topParent = topParent.parentNode;
+          }
+          if (topParent != document) throw new Exception('Element not in the dom')
+        } else {
+          // the element is NOT in the dom, throw error
+          if(!document.documentElement.contains(element.node)) throw new Exception('Element not in the dom')
+        }
 
         // find native bbox
         box = element.node.getBBox()