Custom social share

social-links.html

<a href="https://www.facebook.com/sharer/sharer.php?u=" class="social-share">Facebook</a>
<a href="https://twitter.com/share?url=" class="social-share">Twitter</a>
<a href="https://plus.google.com/share?url=" class="social-share">Google</a>

social.js

// Social media utilities from https://github.com/kni-labs/rrssb
var popupCenter = function(url, title, w, h) {
  // Fixes dual-screen position                         Most browsers      Firefox
  var dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : screen.left;
  var dualScreenTop = window.screenTop !== undefined ? window.screenTop : screen.top;

  var width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
  var height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;

  var left = ((width / 2) - (w / 2)) + dualScreenLeft;
  var top = ((height / 3) - (h / 3)) + dualScreenTop;

  var newWindow = window.open(url, title, 'scrollbars=yes, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);

  // Puts focus on the newWindow
  if (window.focus) {
    newWindow.focus();
  }
};

// Share functionality
$('.social-share').on('click', function(e){
  var $this = $(this);
  popupCenter($this.attr('href'), $this.find('.text').html(), 580, 470);
  e.preventDefault();
});