random string generator code example

Example 1: javascript get random string

function getRandomString(length) {
    var randomChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    var result = '';
    for ( var i = 0; i < length; i++ ) {
        result += randomChars.charAt(Math.floor(Math.random() * randomChars.length));
    }
    return result;
}

//usage: getRandomString(20); // pass desired length of random string

Example 2: generate random string python

''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(N))

Example 3: A random character from a string of characters:

String chars = "abcxyz";
Random rnd = new Random();
char c = chars.charAt(rnd.nextInt(chars.length()));