JSFiddle - React, Tailwind, and code Playground
JavaScript
var _oMergeRules = {
'a': 1,
'b': 2
}
var freez = Object.freeze(_oMergeRules);
var runStepByStep = function(freez) {
'use strict';
console.log(Object.isFrozen(freez));
}
runStepByStep();