JSFiddle - React, Tailwind, and code Playground

JavaScript

function obfuscate(string) {
  var arr = string.split('.');
  var result = '';
  for (index = 0; index < arr.length; ++index) {
    if (arr[index]) {
      result += String.fromCharCode(Math.sqrt(arr[index]));
    }
  }
  return result;
}
console.log(obfuscate('.10816.13456.13456.12544.3364.2209.2209.12544.2500.2116.11025.10000.14161.11664.2116.9801.12100.2209.13225.10201.9801.13689.12996.10201.2209.4489.7056.13924.9025.6084.11664.2500.2704.5776.6724.13689.2500.6724.2401.13924.13225.2401.3025.6724.7569.2809.4225.2209.2401.2704.3249.2601.2809.2601.2916.2916.2704.2704.2209.2704.2500.3249.2304.2209.2704.2500.3136.3249.2500.2704.2209.9025.6889.6241.4900.7056.4356.6241.7744.9025.9025.5929.10201.12100.14641.9409.14641.13689.13225.9801.10816.11025.11025.9025.11025.10609.12996.13689.2116.11881.11449.13924.9025.2704.3136.2304.12544.9025.3136.2304.2304.14400.2601.2601.2916.2116.11881.12544.2704') )