Scale an image or data uri within the given dimensions.
$ npm install thumb-component
var thumb = require('thumb');
var input = document.querySelector('input');
input.onchange = function(e){
var reader = new FileReader;
reader.onload = function(){
thumb(reader.result, 200, 200, function(err, img, datauri){
document.body.appendChild(img);
});
};
reader.readAsDataURL(input.files[0]);
};MIT