JSFiddle - React, Tailwind, and code Playground
HTML
<span id="pwd_not_equ">Hello World</span>
<p><button id="btn">click me</button></p>
JavaScript
$('#btn').click(function(){
$( "#pwd_not_equ" ).toggle('slow');
});
<span id="pwd_not_equ">Hello World</span>
<p><button id="btn">click me</button></p>
$('#btn').click(function(){
$( "#pwd_not_equ" ).toggle('slow');
});