JAVASCRIPT NOT WORKING AS IT SHOULD IN windows opened using window.open After more testing it looks like the problem is related to alert() and confirm(). Click on the link below to open a popup window in Chrome using window.open. Then follow the instructions in the popup to reproduce the error. If you open the page test-chrome-popup.htm by entering the URL in the address field of the browser.... then the buttons work as they should. *** CHROME POPUP TEST ***