photoswipe setup

shwp.js

var integrationGallery = function() {
  var pswpElement = document.querySelectorAll('.pswp')[0];

  // build items array
  var items = [
    {
			html: '<br><br><h1>This is a photoswiping plug-in</h1>'
		},
	  {
	    src: 'https://farm7.staticflickr.com/6175/6176698785_7dee72237e_b.jpg',
	    w: 1024,
	    h: 683,

			title: 'We can provide captions to the images here',

			// msrc: 'string/path/to/thumbnail'   // small image placeholder
    }
  ];

  // define options (if needed)
  var options = {
	 // history & focus options are disabled on CodePen
  	history: false,
  	focus: false,

    showAnimationDuration: 0,
    hideAnimationDuration: 0

  };

  var gallery = new PhotoSwipe( pswpElement, PhotoSwipeUI_Default, items, options);

	gallery.init();

};

document.getElementById('pswp_trig').onclick = integrationGallery;