JSFiddle - React, Tailwind, and code Playground

HTML

<pre id="log"></pre>

JavaScript

var log = document.getElementById('log');
try {
    if (window.supportsCSS('display:block')) { 
        log.innerHTML += 'Syntax with one parameter is ok\n';
    }
} catch(e) {
    log.innerHTML += e + '\n';
 
}
    
if (window.supportsCSS('display', 'block')) { 
        log.innerHTML += 'Two parameters is ok\n';
}