Tryit Editor v2.9

Edit This Code:

<!DOCTYPE html>
<html>
<body>

<p>Click the button to open multiple windows.</p>

<button onclick="myFunction()">Open Windows</button>

<script>
function myFunction() {
    window.open("http://www.google.com/");
    window.open("http://www.w3schools.com/");
}
</script>

</body>
</html>