CODE EXAMPLE FOR JAVASCRIPT

online password generator

// psw generator 
function passwordGenerator(length) {
  const chars =
    "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890123456789012345678901234567890123456789!@#$%&*()_-+=!@#$%&*()_-+=!@#$%&*()_-+=!@#$%&*()_-+=";

  const password = [...Array(length)].reduce((accumulator, _element) => {
    const randomIndex = Math.floor(Math.random() * chars.length);
    return accumulator + chars[randomIndex];
  }, "");
  return password;
}

//=============================================
function CreatePassword(PassLenght) {
    const Lenght = parseInt(PassLenght)
   	const Charecters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    let Password = "";
    for (var i = 0, n = Charecters.length; i < Lenght; ++i) { Password += Charecters.charAt(Math.floor(Math.random() * n)); }
    console.log(Password)
    return Password;
}

CreatePassword(18)