JSFiddle - React, Tailwind, and code Playground

by Berguiga

HTML

<strong><label>Test Call Back with JS</label></strong>

JavaScript

/*Test Call Back */

var x=0;

function testCallBack(param1, param2, callback) {
    alert('param1= ' + param1 + ', param2= ' + param2+' X='+x);
    if (callback && typeof(callback) === "function") {
        x+=1;
        alert("Calla Back x= "+x);
        x+=1;
        callback();
    }
}


testCallBack('ham', 'cheese',function(){
alert("Function X= "+x);
});