js closes the child window when closing the parent window_javascript tips

Write in the parent window:

Copy code The code is as follows:

var sonid = window.open ('"
url2 "', 'newwindow', 'height=108, width=200, top="
top ",left=" left
", toolbar=no, menubar=no, scrollbars=no, resizable=no ,location=no, "
"status=no,titlebar=no,z-look=1,depended=yes,alwaysRaised=yes')

window.attachEvent("onunload", closeSonwin);
function closeSonwin()
{
sonid.close();
}