<%= extension(url)[0] %>.gif

<% function extension(str){ let file = str.split('/').pop(); return [file.substr(0,file.lastIndexOf('.')),file.substr(file.lastIndexOf('.'),file.length).toLowerCase()] } const videoExtensions = ['.mp4', '.mov', '.avi', '.flv', '.mkv', '.wmv', '.webm']; %> <% if (extension(url)[1] == ".gif") { %> <% } else if (videoExtensions.includes(extension(url)[1])) { %> <% } else { %> "> <% } %>

<% if (videoExtensions.includes(extension(url)[1])) { %>

<% } else { %>

<% } %>