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<!DOCTYPE html>
<html>
<body>

<p>This example demonstrates how to assign an "oninput" event to an input element.</p>

<p>Write something in the text field to trigger a function.</p>

Enter name: <input type="text" value="Mickey" oninput="myFunction()">

<script>
function myFunction() {
    alert("The value of the input field was changed.");
}
</script>

</body>
</html>


Result:
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