Works with any backend npm install Zero dependencies

Image Dimension Limits

Enforce minimum and maximum width/height for image uploads.

(function() {
 var logEl = document.getElementById('log');
 function log(m) { var d = document.createElement('div'); d.className='pkg-log-entry'; d.textContent=m; logEl.appendChild(d); logEl.scrollTop=logEl.scrollHeight; }
 new MultipleUpload('#demo', {
 uploadUrl: '/api/upload',
 multiple: true,
 accept: 'image/*',
 minImageWidth: 200,
 minImageHeight: 200,
 maxImageWidth: 4000,
 maxImageHeight: 4000,
 onValidationError: function(msg, name) { log((name||'file') + ': ' + msg); }
 });
})();