I have a hyperlink on click of which I call a javascript function and in that function I open a jsp page as a pop up using the window.open function of the dom. I would like to prevent multiple instances of this popup window being opened when one already exists?
SCJP 1.4, SCWCD 1.4 - Hints for you, Certified Scrum Master
Did a rm -R / to find out that I lost my entire Linux installation!