Retrieve stored file from IndexedDB and create an ObjectURL

retrieve-indexeddb-file-create-object-url.js

// Retrieve the file that was just stored
transaction.objectStore("elephants").get("image").onsuccess = function (event) {
    var imgFile = event.target.result;
    console.log("Got elephant!" + imgFile);

    // Get window.URL object
    var URL = window.URL || window.webkitURL;

    // Create and revoke ObjectURL
    var imgURL = URL.createObjectURL(imgFile);

    // Set img src to ObjectURL
    var imgElephant = document.getElementById("elephant");
    imgElephant.setAttribute("src", imgURL);

    // Revoking ObjectURL
    URL.revokeObjectURL(imgURL);
};