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<html>
    <body>
     
    Field1: <input type="text" id="field1" value="Hello World!">
    <br />
    Field2: <input type="text" id="field2">
    <br /><br />
    Click the button below to copy the content of Field1 to Field2.
    <br />
    <button onclick="document.getElementById('field2').value=
    document.getElementById('field1').value">Copy Text</button>
     
    </body>
    </html>

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