Download image from browser canvas API

canvas.js

canvas.toBlob((blob) => {
    const anchor = document.createElement('a');
    anchor.download = 'my-file-name.jpeg'; // optional, but you can give the file a name
    anchor.href = URL.createObjectURL(blob);

    anchor.click(); // ✨ magic!

    URL.revokeObjectURL(anchor.href); // remove it from memory and save on memory!
}, 'image/jpeg', 0.9);