JSFiddle - React, Tailwind, and code Playground

by Sumesh KP

JavaScript

var str = "I have a cat, a dog, and a goat.";
var mapObj = {
   cat:"dog",
   dog:"goat",
   goat:"cat"

};
var re = new RegExp("cat", "g");
/*str = str.replace(/cat/gi, function(matched){
  return mapObj[matched];
});*/
str = str.replace(re, "ssss");
alert(str);