Login System in JavaScript with Source Code

Login System in JavaScript with Source Code

The Login System in JavaScript is a system project created using HTML, CSS, and JavaScript. JavaScript is a scripting language that enables you to create dynamically updating content, control multimedia, animate images, and pretty much everything else, can update and change both HTML and CSS.

This simple mini project for Login System in JavaScript is complete and totally error free and  also includes a downloadable Source Code for free, just find the downloadable source code below and click to start downloading. Before you start to click the download now first you must click the Run Quick Scan for secure Download. 

Talking about the highlights of this Login System framework, the page contains a title, a login frame (for username and password) and a login button that “submits” the input information. Note that I utilized citation marks around the accommodation since there’s no real accommodation. Not one or the other the username nor the password are sent to a server to be approved. 

Instead, when the client clicks the login button we approve that the username is “admin” and the password is “itsourcecode” utilizing JavaScript. In case they coordinate, at that point an alarm exchange is appeared and the page is reloaded (for the purpose of effortlessness); something else, we show an error message.

I have here a suggested list of Best JavaScript Projects with Source Code Free to download and I’m sure this can help you to improve your skills in JavaScript programming and web development as a whole.

To start creating a Login System in JavaScript, make sure that you have any platform in creating a JavaScript, bootstrap, and HTML installed in your computer, in my case I will use Sublime Text.

Steps on how to create a Login System in JavaScript with Source Code

This code is for the index.html

In the code given below, which is the code contains the interface of the application. This code will show the form that will be use in html.(Login System in JavaScript)

Login System









Login

<div id="login-error-msg-holder"> <p id="login-error-msg">Invalid username <span id="error-msg-second-line">and/or password</span></p> </div> <form id="login-form"> <input type="text" name="username" id="username-field" class="login-form-field" placeholder="Username"> <input type="password" name="password" id="password-field" class="login-form-field" placeholder="Password"> <input type="submit" value="Login" id="login-form-submit"> </form>

This code is for the login.css

In the code given below, which is for the code to design a login form background color, text and the box.(Login System in JavaScript)

html {
height: 100%;
}
body {
height: 100%;
margin: 0;
font-family: Arial, Helvetica, sans-serif;
display: grid;
justify-items: center;
align-items: center;
background-color: darkblue;
}
main-holder {
width: 50%;
height: 70%;
display: grid;
justify-items: center;
align-items: center;
background-color: skyblue;
border-radius: 7px;
box-shadow: 0px 0px 5px 2px black;
}
login-error-msg-holder {
width: 100%;
height: 100%;
display: grid;
justify-items: center;
align-items: center;
}
login-error-msg {
width: 23%;
text-align: center;
margin: 0;
padding: 5px;
font-size: 12px;
font-weight: bold;
color: white;
border: 1px solid #8a0000;
background-color: red;
opacity: 0;
}
error-msg-second-line {
display: block;
}
login-form {
align-self: flex-start;
display: grid;
justify-items: center;
align-items: center;
}
.login-form-field::placeholder {
color: #0033cc;
}
.login-form-field {
border: none;
border-bottom: 1px solid #0033cc;
margin-bottom: 10px;
border-radius: 3px;
outline: none;
padding: 0px 0px 5px 5px;
}
login-form-submit {
width: 100%;
padding: 7px;
border: none;
border-radius: 5px;
color: white;
font-weight: bold;
background-color: green;
cursor: pointer;
outline: none;
}

This code is for the login.js

In the code given below, which is for the code creating a script function for login system.(Login System in JavaScript)

const formlog = document.getElementById("login-form");
const BtnLog = document.getElementById("login-form-submit");
const ErrorMessage = document.getElementById("login-error-msg");
BtnLog.addEventListener("click", (e) => {
e.preventDefault();
const username = formlog.username.value;
const password = formlog.password.value;
if (username === "admin" && password === "itsourcecode") { alert("You have successfully logged in."); location.reload(); } else { ErrorMessage.style.opacity = 1; }
})

Downloadable Source Code

Summary

In summary, this 2022 Login System in JavaScript with Source Code can be useful to students or professional who wants to learn web development using technologies like HTML, CSS and JavaScript. This project can also be modified to fit your personal requirements. Hope this project will help you to improve your skills. Happy coding!

That’s how you create Login System in JavaScript with Source Code in your projects. You can always expand and try different ways in implementing the Login System in JavaScript in your JavaScript projects. In this Mini Project for Login System in JavaScript with Source Code is free to download and It is easy to understand and manipulate this project and use for education purpose only.

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Inquiries

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