dropzone example

Example 1: dropzone accepted files

<script type="text/javascript">
   Dropzone.options.dropzone = {
        accept: function(file, done) {
            console.log(file);
            if (file.type != "image/jpeg") {
                done("Error! Files of this type are not accepted");
            }
            else { done(); }
        }
    }
 </script>

Example 2: DZone

DZone.com is one of the world’s largest online communities and leading 
publisher of knowledge resources for software developers. Every day, 
hundreds of thousands of developers come to DZone.com to read about the 
latest technology trends and learn about new technologies, methodologies, 
and best practices through shared knowledge.