Read file content using javascript

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We can upload the file using file control and read content of that file using below script code.


<html>

<head>

    <script>

      var openFile = function(event) {

        var input = event.target;



        var reader = new FileReader();

        reader.onload = function(){

          var text = reader.result;

          var node = document.getElementById('codeInTest');

          node.value = text;

        };

        reader.readAsText(input.files[0]);

      };

    </script>

</head>

<body>

    <input type='file' accept='text/plain' onchange='openFile(event)'><br>

    <textarea rows="17" cols="129" wrap="virtual" id="fileContent"></textarea>

</body>

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