JSFiddle - React, Tailwind, and code Playground

HTML

<div style="width: 100px; height: 100px;    background-color :red"></div>
<div style="width: 200px; height: 100px;    background-color :blue"></div>

JavaScript

(function ($) {
    $.fn.inlineStyle = function (prop) {
         var styles = this.attr("style"),
             value;

            styles && styles.split(";").forEach(function (e) {
                var style = e.split(":");
                if ($.trim(style[0]) === prop) {
                    value = style[1];           
                }                    
            });   
        return value;
    };
            }(jQuery));
            
            
            
console.log($("div").inlineStyle("background-color"));