JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id="checker" value="checkthefunc">

JavaScript

//the function I want to invoke by String
function CheckMe() {
    return "haha";
}

//the function that will search for the function and invoke it
function InvokeChecking(func2check) {
    var fn = func2check;
    console.log(typeof fn);
    if (typeof fn === 'function') {
        return fn(); //invoke the function
    }
}

//the event listener  ( ´ ▽ ` )ﾉ
$("#checker").click(function() {
        alert("event is working");
    alert(InvokeChecking(CheckMe));


});