The sap-ui-core.js is a part of the bootstrap section as shown below. It contains a copy of jQuery file. The version of the jQuery being used can be found by the command $.fn.jQuery.

index.html
<!DOCTYPE HTML>
<html>
	<head>
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta http-equiv='Content-Type' content='text/html;charset=UTF-8'/>

		<script src="resources/sap-ui-core.js"
				id="sap-ui-bootstrap"
				data-sap-ui-libs="sap.m"
				data-sap-ui-theme="sap_bluecrystal">
		</script>

		<script>
			
		</script>

	</head>
	<body class="sapUiBody" role="application">
		<div id="content"></div>
	</body>
</html>

For example, in Chrome, open the Developer Tools and type the above command in the browser console.

SAPUI5-Lifecycle-Demo-Step-5-Open-developer-tools
SAPUI5-Find jQuery-Version-Step-1-Type-command
How to find the jQuery version used by SAPUI5

Comments, Questions or Suggestions: