JSFiddle - React, Tailwind, and code Playground

by Alexander

HTML

<table>
  <tr>
    <td>A</td>
    <td>01 <b>0</b> 00001</td>
  </tr>
  <tr>
    <td>a</td>
    <td>01 <b>1</b> 00001</td>
  </tr>
</table>

JavaScript

console.clear();

console.log('A'.charCodeAt()|32 === 'a'.charCodeAt());

var charCode = 'F'.charCodeAt();
if (charCode > 64 && charCode < 91) charCode |= 32;
console.log( String.fromCharCode(charCode) );