Password Generator

Link : Project Link

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Table of Contents

• Description
• How to Use
• Screenshots
• References
• License
• Author Info

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Description

The goal of this project is generate a security password based on user-selected criteria. The use of Javascript code will permit to create variables, arrays, functions and conditions for generate a strong password that provides greater security.

Technologies

• Html
• Javascript
• Visual Studio Code
• CSS
• Bootstrap

Code sample - Javascript

function lengthValidation () { // To validate the length of the password
  var lengthPassword = prompt("Please enter the length for your password", "Choose a lenth of at least 8 characters and no more than 128 characters"); 
  var intLengthPassword = parseInt(lengthPassword);
  if ( lengthPassword === null) {
    return true;
  }
  if (isNaN(intLengthPassword) || intLengthPassword < 8 || intLengthPassword > 128 ){
    return false;
  }
  else {
    return intLengthPassword;
  }
}

function charactersValidation () { // To validate character types
  var characterTypes = prompt("For character types to include in the password choose: \n lowercase - l/L, uppercase - u/U, numeric - n/N, and/or special characters - s/S", "Example: l,u,n,s");
  var pattern = /^[lLuUnNsS,]+$/;
  if ( characterTypes === null ) {
    return true;
  }  
  if (pattern.test(characterTypes) === false || characterTypes.length > 7){
    alert("Incorrect pattern! \n Choose at least one character and no more than 4: \n lowercase - l/L, uppercase - u/U, numeric - n/N, and/or special characters - s/S. Example: l,u,n,s");
    return false;
  }
  else {
    var lowerCaseCharacters = characterTypes.toLocaleLowerCase();
    var finalCharacters = getCharacterType(lowerCaseCharacters.split(""));
    return finalCharacters;
  }

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How To Use

This web application has one webpage. It has a button to generate a security password. When the user click the button. It will present a series of prompts for password criteria. The user could select which criteria to include in the password. These criterias are:

• Length of at least 8 characters and no more than 128 characters.

• Choose lowercase, uppercase, numeric, and/or special characters.

Also you can access to this App through mobile, desktop and tablet devices, having a responsive website.

Screenshots

• Button to Generate Password

• First Criteria

• Second Criteria

• Alert

• Generated Password

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References

• w3school -- JavaScript Tutorial
• Bootstrap -- Grid system

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License

Copyright (c) [2020] [Cesar A Martinez]

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Author Info

• Twitter -- @cesaguma
• Linkedin -- Cesar A Martinez

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