JSFiddle - React, Tailwind, and code Playground
HTML
<p>No Space</p>
<p> 1 Space</p>
<p>  2 Spaces</p>
<p>   3 Spaces</p>
<p>    4 Spaces</p>
JavaScript
$('p').each( function() {
var elem = $( this );
elem.html( elem.html().replace( / /g,'' ) );
} );