JS resize
<!DOCTYPE html>
<html lang="en">
<head>
<title>JavaScript</title>
</head>
<body>
<button onclick="openWindow()">Open Window</button>
<button onclick="resizeWindow()">Resize Window</button>
<script>
/* JavaScript ResizeBy And ResizeTo Window Method */
var myWindow;
function openWindow(){
myWindow = window.open("","","width=500px,height=200px,left=30px,top=30px");
myWindow.document.write("<p>This is my Window.</p>")
}
function resizeWindow(){
myWindow.resizeTo(400,400);
}
/*function resizeWindow(){
myWindow.resizeBy(400,400);
}*/
</script>
</body>
</html>