rubenarakelyan

const scripts = document.getElementsByTagName("script"),
  script_content = scripts[scripts.length - 1].innerHTML,
  enc = new TextEncoder(),
  data = enc.encode(script_content);

crypto.subtle.digest('SHA-256', data).then(function(val) {
  const digest = ["sha256", _arrayBufferToBase64(val)].join("-");
  console.log(`The digest for your script is: ${digest}`);
});