JSFiddle - React, Tailwind, and code Playground

HTML

<p>Text one</p>
<p>Text two</p>
<p>Text three</p>
<p>Text four</p>

JavaScript

(function($) {
    $.fn.highlite = function(options) {

        return this.each(function() {
            $(this).css({
                "background": "yellow"
            });
        });

    };
})(jQuery);

(function($) {
    $.fn.makeRed = function(options) {

        var y = this;
        var x = this.each(function() {
            $(this).css({
                "color": "red"
            });
        });
        
        if(x == y){
            alert('it is the same');
        }
        
        return this;

    };
})(jQuery);

$(document).ready(function() {
    $('p').highlite().makeRed();
});