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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>File Slicing test</title>
    <script src="fileSlicer.js"></script>
</head>
<body>
<h1>File Slicing test</h1>
Slice size: <input type="number" id="sliceSize" min="10000" step="10000" value="100000" list="defaultNumbers">
<datalist id="defaultNumbers">
    <option value="10000">
    <option value="100000">
    <option value="1000000">
    <option value="10000000">
    <option value="1000000000">
</datalist>
<br>
<input type="file" id="fileInput" />
</body>
</html>

            
          
!
            
              document.addEventListener("DOMContentLoaded", function(event) {
    let fileInput = document.getElementById('fileInput');

    fileInput.addEventListener("change", function (evt) {
        let selectedFile = fileInput.files[0];
        console.log("selectedFile:", selectedFile);
        let sliceSize = parseInt(document.getElementById('sliceSize').value, 10);

        let fileReader = new FileReader();
        let actualSliceSize = Number.POSITIVE_INFINITY;
        let position = 0;
        let counter = 0;
        let slice = selectedFile.slice(position, position + sliceSize);

        fileReader.onload = function (evt) {
            let arrayBuffer = evt.target.result;
            let msg = "slice #" + counter + "   position:" + position +
                    "   arrayBuffer.byteLength:" + arrayBuffer.byteLength;
            actualSliceSize = slice.size;
            ++counter;

            if (actualSliceSize > 0) {
                crypto.subtle.digest("SHA-256", arrayBuffer).then(function (hash) {
                    msg += "   SHA-256: " + hex(hash);
                    output(msg);

                    position += actualSliceSize;
                    slice = selectedFile.slice(position, position + sliceSize);
                    fileReader.readAsArrayBuffer(slice);
                });
            } else {
                output("done");
            }

        };
        fileReader.onerror = function (err) {
            console.error(err);
        };
        fileReader.readAsArrayBuffer(slice);

    });

    function hex(buffer) {
        var hexCodes = [];
        var view = new DataView(buffer);
        for (var i = 0; i < view.byteLength; i += 4) {
            // Using getUint32 reduces the number of iterations needed (we process 4 bytes each time)
            var value = view.getUint32(i)
            // toString(16) will give the hex representation of the number without padding
            var stringValue = value.toString(16)
            // We use concatenation and slice for padding
            var padding = '00000000'
            var paddedValue = (padding + stringValue).slice(-padding.length)
            hexCodes.push(paddedValue);
        }

        // Join all the hex strings into one
        return hexCodes.join("");
    }

    function output(msg) {
        console.log(msg);

        let div = document.createElement('div');
        div.innerText = msg;
        document.body.appendChild(div);

    }

});

            
          
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