Majstro-Aplikaĵoj

Execute this code

var w = window.open("blank.html", "blank", "height=50,width=300") w.document.write("Value of this windowʹs closed-property: " + w.closed) w.alert("This new window will close itself after you have closed this message box.") w.close() alert("Value of the new windowʹs closed-property: " + w.closed)