JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="display">
<input type="text" id="display2">
<nav>
<a href="http://example.com/#test">1</a>
<a href="http://google.com/#hello">2</a>
<a href="http://yahoo.eu/#world">3</a>
</nav>
JavaScript
$('nav').on('mouseover', 'a', function(){
$('#display').val(this.hash)
$('#display2').val(this.hash.substr(1))
})