JSFiddle - React, Tailwind, and code Playground

HTML

<span id='thing'>Hello World</span>

JavaScript

jQuery.fn.extend({
    toggleText: function (a, b){
        var isClicked = false;
        var that = this;
        this.click(function (){
            if (isClicked) { that.text(a); isClicked = false; }
            else { that.text(b); isClicked = true; }
        });
        return this;
    }
});

$('#thing').toggleText("Hello World", "Bye!");