Trigger click on image in an Envira gallery to load it's lightbox when the page finishes loading.

envira-gallery-trigger-lightbox-onload-first-image.js

// Target the first linked image in the gallery - best when loading a single gallery on the page
jQuery(window).load(function(){
  jQuery(".envira-gallery-wrap .envira-gallery-item:first-child a").trigger('click');
});

envira-gallery-trigger-lightbox-onload.js

// Target a specific linked image in the gallery - best when loading multiple galleries on the page
jQuery(window).load(function(){
 jQuery(".envira-gallery-146").trigger('click');
});