JSFiddle - React, Tailwind, and code Playground
by Shree Khanal
HTML
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<input type="number" name="marks[]" value="" id="marks_1" />
<input type="number" name="marks[]" value="" id="marks_2" />
JavaScript
$(document).on('blur', "[id^=marks_]", function() {
var id = $(this).val();
console.log(id);
});