JSFiddle - React, Tailwind, and code Playground
JavaScript
var t = performance.now();
for(var i = 0; i < 1E9; i++) {};
console.log(performance.now() - t);
var t = performance.now();
for(var i = 0; i < 1E9; i+=1) {};
console.log(performance.now() - t);
var t = performance.now();
for(var i = 0; i < 1E9; i=i+1) {};
console.log(performance.now() - t);