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FileReader
FileReader class in Javascript is used to read the file in client browser. It is working in Chrome, Opera and Firefox. FileReader returns base64 encoded text as output by e.target.result.
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<html>
<head>
<script type="text/javascript">
document.getElementById("my_file_reader").onchange = function(){
var reader = new FileReader();
reader.onload = function(e) {
document.getElementById("image_div").src = e.target.result;
};
reader.readAsDataURL(this.files[0]);
};
</script>
</head>
<body>
<div style="padding-bottom: 2px;"><input type="file" id="my_file_reader" /></div>
<img id="image_div" width="300" height="200" />
</body>
</html> |
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Demo & Output
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