JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test" style="min-height:100px"></div>

CSS

#test {
    min-height: 200px;
    background: #000;    
}

JavaScript

var el = document.getElementById('test');

// style.minHeight is empty string:
console.log( el.style.minHeight );

// jQuery gets it correctly:
console.log( $(el).css('min-height') );