// this is image_share.js Images = new Mongo.Collection("images"); if (Meteor.isClient) { let imgData = [ { "img_src": "laptops.jpg", "img_alt": "some laptops on a table" }, { "img_src": "bass.jpg", "img_alt": "a bass player" }, { "img_src": "beard.jpg", "img_alt": "some musicians with beards" } ]; Template.images.helpers({ images: imgData }); Template.images.events({ "click .js-image": function (event) { $(event.target).css("width", "50px"); } }); } if (Meteor.isServer) { Meteor._debug("I am the server"); } Meteor._debug("where am I running");