Multiple Windows using window.open()
Solution 1:
Give each window a new window name.
window.open(url, WindowName)
Solution 2:
try this,it will create new child, fiddle
var randomnumber = Math.floor((Math.random()*100)+1);
window.open(yoururl,"_blank",'PopUp',randomnumber,'scrollbars=1,menubar=0,resizable=1,width=850,height=500');
Solution 3:
Check this this might help you to open new window every time.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery demo</title>
<script src="jquery-1.9.1.js"></script>
</head>
<body>
<script>
$(document).on("click", "#btn", function(event) {
window.open("http://www.google.com", '_blank');
});
</script>
<input type=button name="btn" id="btn">
</body>
</html>