How to open a popup window at specific location of your screen using javascript?

Sometimes, there will be requirements to open your popup windows at specific location of your screen.

This can be done by passing the x and y coordinates in MoveTo() method of the window object.

 The below javascript code can used to move a popup window to location (100,0) of your screen.

function OpenWindow(strChildPageUrl)
{
  var testwindow = window.open(strChildPageUrl,"Child","width=400px,height=400px,top=0,left=0,scrollbars=1");
        testwindow.moveTo(100,0);
}