Simple function to generate a random text that can be used as a password in most cases

PasswordGenerate.js

/**
 * Generate Password Function
 * A simple javascript function to generate a random text that can be used as a password in most cases
 * NOTES: Does not contain special characters. Only numbers 0 (zero) to 9 (Nine) and English alphabet letters.
 * 
 * @author Isuru Ranawaka ([email protected])
 */
function generatePassword() {
    // Numbers and alphabet characters
    const characters = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "[", "]", "^", "_", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
    // length of the password
    const passwordLength = 12; // customize to your need

    let password = '';

    for (let i = 0; i < passwordLength; i++) {
        // grab a random character
        let index = Math.floor(Math.random() * Math.floor(characters.length));
        // add to the password text
        password += characters[index];
    }
  
    // return the collected text
    return password;
}

/*
Example Outputs
---------------
YznRn8d]^1r1
Hjw1VbFk0cCy
q5CjmKpFRNV3
e3pn2Ao9G2ER
cV[TRo5hFUna
2O]oy_PLpoOl
UarWq6ee40[d
*/