JSFiddle - React, Tailwind, and code Playground
by mkdizajn
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<input type="file" name="fileup[1]" id="fileup[1]">
<input class="btn btn-default btn-sm" type="button" value="fileSizeCheck" onclick="fileSizeCheck(1)" />
JavaScript
function fileSizeCheck(idx) {
var getName = $('input[id="fileup[' + idx + ']"]').val();
alert(getName);
}