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<!DOCTYPE html> <html> <body> <textarea rows="4" cols="50">Click me (or use the tab key) to assure that I get focus. Then, click the input field to make sure that it gets focus.</textarea><br><br> Input field: <input type="text" onfocus="getRelatedElement(event)"> <p><strong>Note:</strong> The relatedTarget property of the FocusEvent object is not supported in IE8 and earlier. </p> <script> function getRelatedElement(event) { alert("The related element that lost focus was: " + event.relatedTarget.tagName); } </script> </body> </html>
