<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<script>
function onChange(event) {
const file = event.target.files[0];
console.log(event, file);
const reader = new FileReader();
reader.onloadend = (arg) => {
console.log(reader.result);
};
reader.readAsDataURL(file);
}
</script>
</head>
<body>
<input type="file" onchange="onChange(event)" />
</body>
</html>
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