Advanced Password Checker

Aaron Jones Oct 12, 2004

This script uses an array to store the usernames and passwords. It also uses a prompt box for username and password info and uses the indexOf property to search the array for a username and password match in a for.. loop.

Click here to see the script!

The JavaScript Source: Password Protection: Advanced Password Checker

Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s). The script is yours!!!

<!-- TWO STEPS TO INSTALL ADVANCED PASSWORD CHECKER:

1.  Copy the coding into the HEAD of your HTML document

2.  Add the last code into the BODY of your HTML document  -->

<HEAD>

</HEAD>

<BODY>

usernames: username1 username2 password2

passwords: password1 password2 password3

Script is as follows:

head section:

function LetUserIntoPage()

{

var username = prompt("Please enter your username:", "");

var password = prompt("Please enter your password:", "");

var TheLists = new Array(3)

{

TheLists[0] = "username1:password1";

TheLists[1] = "username2:password2";

TheLists[2] = "and so on:and so on";

}

for (i = 0; i < TheLists.length; i++)

{

if (TheLists[i].indexOf(username) == 0)

{

var TheSplit = TheLists[i].split(":");

var TheUsername = TheSplit[0];

var ThePassword = TheSplit[1];

if (username == TheUsername && password == ThePassword)

{

alert("Welcome, " + username);

// Your other commands here

}

}

Body section:

Append to body tag:

onload="LetUserIntoPage();"

END

Free JavaScripts provided

by <a href="http://javascriptsource.com">The JavaScript Source</a>

</center>

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