From d920bee9546d599124b49f007c08af5e177f19bf Mon Sep 17 00:00:00 2001
From: Thiago Pontes <email@thiago.me>
Date: Wed, 28 Jan 2015 18:34:10 -0200
Subject: [PATCH] Check if element is on the DOM before calling
 getBoundingClientRect to avoid IE10 errors

---
 src/zepto.js    | 2 ++
 test/zepto.html | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/zepto.js b/src/zepto.js
index c5bd6eccf..ae6b10fbb 100644
--- a/src/zepto.js
+++ b/src/zepto.js
@@ -678,6 +678,8 @@ var Zepto = (function() {
         $this.css(props)
       })
       if (!this.length) return null
+      if (!$.contains(document.documentElement, this[0]))
+        return {top: 0, left: 0}
       var obj = this[0].getBoundingClientRect()
       return {
         left: obj.left + window.pageXOffset,
diff --git a/test/zepto.html b/test/zepto.html
index aaca98680..23b073db2 100644
--- a/test/zepto.html
+++ b/test/zepto.html
@@ -1095,6 +1095,7 @@ <h1>Zepto Core unit tests</h1>
         t.assertNull($('#doesnotexist').offset())
         var el = $('#some_element')
         t.assertIdentical(el, el.offset({}))
+        t.assertSame($('<div>').offset(), {left: 0, top: 0})
       },
 
       testWidth: function(t){