Check if image truncated

Based on a file format and trailing byte sequencies

by panamaprophet

HTML

<img id="pictureBad" />
<img id="pictureGood" />
<img id="picturePNG" />

JavaScript

var imageBad = document.getElementById('pictureBad');
var imageGood = document.getElementById('pictureGood');
var imagePng = document.getElementById('picturePNG');

imageBad.src =...