Pinterest open in middle?

https://stackoverflow.com/questions/52485399/pinterest-javascript-sdk-pinone-method-to-pop-up-dialog/52485635?noredirect=1#

by Augustus Yuan

HTML

<a id="pinterest-link" href="#" data-pin-myownlink="https://www.pinterest.com/pin/create/button/?guid=Nsp1JckZPYuE-6&url=https%3A%2F%2Fwww.flickr.com%2Fphotos%2Fkentbrew%2F6851755809%2F&media=https%3A%2F%2Ffarm8.staticflickr.com%2F7027%2F6851755809_df5b2051c9_z.jpg&description=Next%20stop%3A%20Pinterest">Click here</a>

JavaScript

document.getElementById('pinterest-link').addEventListener('click', function(e) {
  var URL = e.target.getAttribute('data-pin-myownlink');
  // assuming you want a 450x450 popup
  
var w = 450;
var h = 450;
var dualScreenLeft = window.screenLeft != undefined ? window.screenLeft : screen.left;
var dualScreenTop = window.screenTop != undefined ? window.screenTop : screen.top;
width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;

var left = ((width / 2) - (w / 2)) + dualScreenLeft;
var top = ((height / 2) - (h / 2)) + dualScreenTop;

  window.open(URL, "Pinterest Link", 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+width+', height='+height+', top='+top+', left='+left);
});