index.js

// console.log(steg.encode('Hello How Are You?' , 'data:image/gif;base64,R0lGODlhEAAQAMQAAORHHOVSKudfOulrSOp3WOyDZu6QdvCchPGolfO0o/XBs/fNwfjZ0frl3/zy7////wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAkAABAALAAAAAAQABAAAAVVICSOZGlCQAosJ6mu7fiyZeKqNKToQGDsM8hBADgUXoGAiqhSvp5QAnQKGIgUhwFUYLCVDFCrKUE1lBavAViFIDlTImbKC5Gm2hB0SlBCBMQiB0UjIQA7'  ));

// console.log(steg.decode('data:image/png;base64,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'));

var imgdatauri;

function readURL(input) {
    if (input.files && input.files[0]) {
        var reader = new FileReader();

        reader.onload = function(e) {
            document.querySelector("#image1").src = e.target.result;
            imgdatauri = e.target.result;
        };
    }
    reader.readAsDataURL(input.files[0]);
}


function decode(input) {
    if (input.files && input.files[0]) {
        var reader = new FileReader();

        reader.onload = function(e) {
            console.log(steg.decode(e.target.result));

            document.querySelector('#decoded').innerText = steg.decode(e.target.result);
        };
    }
    reader.readAsDataURL(input.files[0]);
}



function hideText() {
    imgdatauri = steg.encode(document.querySelector('#text').value, imgdatauri)
    document.querySelector("#image2").src = imgdatauri;
    var attr = document.getElementById('d-btn');
    attr.removeAttribute('hidden');
    document.querySelector("a").href = imgdatauri;
    document.querySelector("#msg-encoded").innerHTML = encodedimg;
}

function downloadImg(url) {
    var ele = document.getElementsByTagName("#dwn");
    // console.log(ele);
}