JSFiddle - React, Tailwind, and code Playground

JavaScript

console.log('post');
var a = 1;
 while (a < 3) {  
   console.log(a); 
   a++;

}
console.log('pre');
a = 1;
 while (a < 3) {  
       console.log(a); 
       ++a;
  }
console.log('done');