JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="demo"/>
<button>button 1</button>
<button>button 2</button>
JavaScript
$('button').click(function(){
$('input[type="text"]').val("");
});
<input type="text" id="demo"/>
<button>button 1</button>
<button>button 2</button>
$('button').click(function(){
$('input[type="text"]').val("");
});