JSFiddle - React, Tailwind, and code Playground

by sumit_skr

JavaScript

var promise = new Promise(function(resolve, reject){
	
  var data = "";
  if(data!= ""){
  	resolve(data);
  }
  else{
  	var err = new Error("Error fetching data");
  	reject(err);
  }

});

promise.then(function(data){
	console.log("HI" + data);
});

//==========================================

function myPromise(fn){
	this.resolve = function(data) {
  	callback(data);
  }
  
  this.then = function(callback) {
  	cb = callback;
  }
}