JSFiddle - React, Tailwind, and code Playground

HTML

<div style="position:fixed" id="foo">foo</div>
<div style="display:inline" id="bar">bar</div>

JavaScript

Selectors.Pseudo.style = function(key) {
    var styles = key.split("=");
    return styles.length == 2 && this.getStyle(styles[0]) == styles[1];
};


console.log(document.getElements("div:style(position=fixed)"));