Adds a 'clicktoclose' option to Bootstrap's popovers which will cause them to close if the user clicks anywhere outside of the popover

bootstrap-popover-clicktoclose.js

// Adds a 'clicktoclose' option to Bootstrap's popovers which will cause them
// to close if the user clicks anywhere outside of the popover
(function() {
  var closeOnExternalClick = function(e) {
    if ( ! this.$tip.has(e.target).length) { this.hide(); }
  };
  var Popover = $.fn.popover.Constructor.prototype;
  var superInit = Popover.init;
  Popover.init = function() {
    superInit.apply(this, arguments);
    if (this.options.clicktoclose) {
      var clickHandler = $.proxy(closeOnExternalClick, this);
      this.$element.on('shown.bs.popover', function() {
        $(document).on('click', clickHandler);
      });
      this.$element.on('hide.bs.popover', function() {
        $(document).off('click', clickHandler);
      });
    }
  };
})();