geturlkeyvalue sharepoint undefined

Root Cause: You are missing SharePoint js references.
Ex:
 <script type="text/javascript" src="/_layouts/15/sp.runtime.js"></script>
  <script type="text/javascript" src="/_layouts/15/sp.js"></script>

Add above scripts before you calling "geturlkeyvalue"
Final code:

	<script type="text/javascript" src="/_layouts/15/sp.runtime.js"></script>
	<script type="text/javascript" src="/_layouts/15/sp.js"></script>
	<script type="text/javascript">
	var myVal = GetUrlKeyValue('QID', false, window.location.href);
	consle.log(myVal);
	</script>

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