New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

getByteLengthOfUtf8String #129

Open

gloriaJun opened this issue Aug 31, 2021 · 0 comments

Assignees

Labels

Owner

gloriaJun commented Aug 31, 2021 •

edited

Loading

function getByteLengthOfUtf8String(s: string) {
  // returns the byte length of an utf8 string
  if (isEmptyString(s)) {
    return 0;
  }

  let b = 0;
  let c: number;

  for (let i = 0; (c = s.charCodeAt(i++)); b += c >> 11 ? 3 : c >> 7 ? 2 : 1);
  return b;
}

https://mothereff.in/byte-counter

gloriaJun added the javascript label

gloriaJun self-assigned this

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment