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-rw-r--r--lib/dom_utils.coffee6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/dom_utils.coffee b/lib/dom_utils.coffee
index 0231f994..efb125f6 100644
--- a/lib/dom_utils.coffee
+++ b/lib/dom_utils.coffee
@@ -27,6 +27,12 @@ DomUtils =
removeElement: (el) -> el.parentNode.removeChild el
#
+ # Test whether the current frame is the top/main frame.
+ #
+ isTopFrame: ->
+ window.top == window.self
+
+ #
# Takes an array of XPath selectors, adds the necessary namespaces (currently only XHTML), and applies them
# to the document root. The namespaceResolver in evaluateXPath should be kept in sync with the namespaces
# here.