JSFiddle - React, Tailwind, and code Playground

HTML

<div> <a>browse<input type="file" name="annex"/></a>
 <span class="filename"></span>

</div>

JavaScript

$('input[type="file"]').on('change', function (event, files, label) {
    var file_name = this.value.replace(/\\/g, '/').replace(/.*\//, '')
    $('.filename').text(file_name);
});