Node.js

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    success = false;

    var fortuna = new chilkat.Prng();

    var bDigits;
    var bLowercase;
    var bUppercase;

    // Generate random strings having only lowercase chars (a-z)
    // Disallow digits and uppercase and only allow lowercase
    bDigits = false;
    bUppercase = false;
    bLowercase = true;

    var i;

    console.log("-- only lowercase alpha (a-z)");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        console.log(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
    }

    // Allow both lowercase and uppercase alpha chars
    bUppercase = true;
    console.log("-- lower and uppercase alpha (a-zA-Z)");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        console.log(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
    }

    // Allow digits (0-9)
    bDigits = true;
    console.log("-- digits and lower/uppercase alpha (0-9a-zA-Z)");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        console.log(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
    }

    // Allow only digits (0-9)
    bUppercase = false;
    bLowercase = false;
    console.log("-- only digits (0-9)");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        console.log(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
    }


}

chilkatExample();