Add a validation function using Javascript that does the following 2 things: validates that password entered by the user and reentered password match. Note that minlength ensures it's a minimum of 8 of characters. Test thoroughly!!! Note that usually you would want to check that password meets some minimum requirements such as it includes both upper and lowercase letters and either a number or special character. In Javascript, we use regular expressions to do this. For this assignments, just make sure the password and reentered password match.  validates that the username isn't already taken. Create an array of existing valid usernames. Include Harry, Elizabeth, and Shana.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Add a validation function using Javascript that does the following 2 things:

  1. validates that password entered by the user and reentered password match. Note that minlength ensures it's a minimum of 8 of characters. Test thoroughly!!! Note that usually you would want to check that password meets some minimum requirements such as it includes both upper and lowercase letters and either a number or special character. In Javascript, we use regular expressions to do this. For this assignments, just make sure the password and reentered password match. 
  2. validates that the username isn't already taken. Create an array of existing valid usernames. Include Harry, Elizabeth, and Shana.
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