x
<html><head><script>var myWindow;function openWin() { myWindow = window.open("", "", "width=400, height=200"); myWindow.blur();}function blurWin() { myWindow.blur();}function focusWin() { myWindow.focus();}</script></head><body><input type="button" value="Open new window" onclick="openWin()"><input type="button" value="Blur new window" onclick="blurWin()"><input type="button" value="Focus new window" onclick="focusWin()"></body><!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_win_blur by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:07:16 GMT --></html>