JSFiddle - React, Tailwind, and code Playground
JavaScript
var x = "asdf";
const constantX = x;
alert("before mutation: " + constantX);
x = "mutated"
alert("after mutation: " + constantX);
var x = "asdf";
const constantX = x;
alert("before mutation: " + constantX);
x = "mutated"
alert("after mutation: " + constantX);