x
<html><body onhashchange="myFunction(event)"><p>Click the button to change the anchor part (hash) of the current URL to #part5</p><p>The oldURL property returns the URL of the document we navigated away from.</p><p>The newURL property returns the URL we are navigating to.</p><button onclick="changePart()">Try it</button><p><strong>Note:</strong> These properties are not supported in Internet Explorer.</p><p id="demo"></p><script>// Using the location.hash property to change the anchor partfunction changePart() { location.hash = "part5";}function myFunction() { document.getElementById("demo").innerHTML = "Previous URL: " + event.oldURL + "<br>New URL: " + event.newURL;}</script></body></html>