Skip to content

Instantly share code, notes, and snippets.

@anddoutoi

anddoutoi/isInTheDOM.js

Created October 13, 2014 13:45
Show Gist options
  • Save anddoutoi/0b99daa1303766d6a067 to your computer and use it in GitHub Desktop.
Save anddoutoi/0b99daa1303766d6a067 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
isInTheDOM.js
function isInTheDOM(element) {
return element.ownerDocument === getRootNode(element);
function getRootNode(element) {
var rootNode = element;
var parentNode;
while (parentNode = rootNode.parentNode) {
rootNode = parentNode;
}
return rootNode;
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment