"Toggle SignIn/SignUp"
Bootstrap 4.1.1 Snippet by priyanshu31

<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <!DOCTYPE html> <html lang="en"> <head> <title>Document</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.1/css/all.min.css" integrity="sha512-2SwdPD6INVrV/lHTZbO2nodKhrnDdJK9/kg2XD1r9uGqPo1cUbujc+IYdlYdEErWNu69gVcYgdxlmVmzTWnetw==" crossorigin="anonymous" referrerpolicy="no-referrer" /> <link rel="stylesheet" href="style.css"> </head> <body> <div class="container"> <div class="signUp"> <h3 class="Title">SignUp</h3> <form action="#" class="signForm"> <div class="form-group"> <label for="email">Email: </label> <div class="element"> <span><i class="fa-solid fa-envelope"></i></span> <input type="email" id="email" name="email" placeholder="email"> </div> </div> <div class="form-group"> <label for="signup-username">Username: </label> <div class="element"> <span><i class="fa-solid fa-user"></i></span> <input type="text" id="signup-username" name="username" placeholder="username"> </div> </div> <div class="form-group"> <label for="signup-password">Password: </label> <div class="element"> <span><i class="fa-solid fa-key"></i></span> <input type="password" id="signup-password" name="password" placeholder="password"> </div> </div> <div class="form-group"> <label for="confirm-password">Confirm Password: </label> <div class="element"> <span><i class="fa-solid fa-key"></i></span> <input type="password" id="confirm-password" name="confirm-password" placeholder="confirm password"> </div> </div> <button type="submit" class="btn">SignUp</button> </form> </div> <!-- signin --> <div class="signIn"> <h3 class="Title">SignIn</h3> <form action="#" class="signForm"> <div class="form-group"> <label for="signin-username">Username: </label> <div class="element"> <span><i class="fa-solid fa-user"></i></span> <input type="text" id="signin-username" name="username" placeholder="username"> </div> </div> <div class="form-group"> <label for="signin-password">Password: </label> <div class="element"> <span><i class="fa-solid fa-key"></i></span> <input type="password" id="signin-password" name="password" placeholder="password"> </div> </div> <button type="submit" class="btn">SignUp</button> </form> </div> <div class="extracontent"> <h3 class="Title">If already have account?</h3> <button class="togglebtn" onclick="">SignIn</button> </div> </div> <script src="script.js"></script> </body> </html>
body{ background-color:white; display: flex; justify-content: center; align-items: center; min-height: 100vh; } .Title{ color: rgba(255, 0, 0, 0.7); } .container{ height: 80vh; width: 60vw; background-color: rgba(255, 0, 0, 0.1); display: flex; flex-direction: column; justify-content: center; align-items: center; border-radius: 1.5rem; } .signUp{ background-color:white ; height: 30rem; width: 25rem; display: flex; flex-direction: column; align-items: center; border-radius: 2rem; margin-top: 2rem; } .form-group{ display: flex; justify-content: center; flex-direction: column; margin-top: .5rem; } /* inputs */ .element { display: flex; align-items: center; border: 1px solid #ccc; border-radius: 6px; padding: 0.4rem; background: #fff; } .element span { color: rgba(255, 0, 0, 0.7); margin-right: 0.5rem; display: flex; align-items: center; } .element input { border: none; outline: none; flex: 1; font-size: 1rem; } /* btn */ .btn{ display: flex; margin: auto; margin-top: 2rem; height: 2rem; width: 10rem; justify-content: center; align-items: center; border-radius: 5px; background-color: rgba(255, 0, 0, 0.7); outline: none; border: none; color: white; font-size: 1rem; } /* toggle functionality */ .extracontent{ display: flex; gap: 0.5rem; justify-content: center; align-items: center; margin-top: 3rem; } .togglebtn{ height: 1.5rem; width: 4rem; color: white; background-color: rgba(255, 0, 0, 0.7); outline: none; border: none; border-radius: 5px; } /* media-queries */ @media (max-width: 600px) { .container { width: 90vw; height: 90vh; } .signUp { width: 80%; height: 60%; } } /* initial stage to hide signIn */ .signIn{ background-color:white ; height: 20rem; width: 25rem; display: flex; flex-direction: column; align-items: center; border-radius: 2rem; margin-top: 2rem; display: none; }
const btn = document.querySelector(".togglebtn"); const signup = document.querySelector(".signUp"); const signin = document.querySelector(".signIn"); btn.addEventListener("click",()=>{ if(btn.innerHTML == "SignIn"){ signup.style.display ="none"; signin.style.display = "flex"; btn.innerHTML = "signUp"; } else{ signin.style.display = "none"; signup.style.display ="flex"; btn.innerHTML = "SignIn"; } });

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