JSFiddle - React, Tailwind, and code Playground
HTML
<input id="textbox1"/>
<a href="#" id="tester1" onclick="test()">test1</a>
<br />
<input id="textbox2"/>
<a href="#" id="tester2">test2</a>
JavaScript
function test(){
$("#textbox1").focus();
alert('test')
}