otp.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>OTP.land</title>
    <style>
      
        form{
         
            height: 100px;
            width: 40%;
            margin: auto;
            margin-top: 15%;
        
        }
        form>input{
        display: block;
        margin-bottom: 40px;
        margin-left: 20%;
        width: 30%;
        height: 30px;
        }
        input::placeholder{
            color: black;
        }
        #sub:hover{
            cursor: pointer;
            background-color: black;
            color: white;
        }
        /* nav css */


        #nav {
        display: flex;
        width: 100%;
        height: 100px;
        margin-top: 10px;
        justify-content: space-between;
        background-color: transparent;
        position: fixed;
        top: 0px;
    }
        #logo {
        width: 16%;
        margin-left: 180px;
    }
    

    #logo>img {
        width: 100%;
    }
    
    a {
        text-decoration: none;
        font-weight: none;
        color: black;
    }
    
    #loghelp {
        display: flex;
        width: 10%;
        background-color: transparent;
        justify-content: space-between;
        margin-top: 0.7%;
        margin-right: 30px;
    }
    
    </style>
</head>
<body>
    <!-- //nav sec -->

    <div id="nav">

        <div id="logo">
            <img src="https://logodownload.org/wp-content/uploads/2014/05/zara-logo-1.png" alt="error">
        </div>

        <div id="loghelp">
            <a href="login.html" id="lg">LOGIN</a>
            <a href="https://www.zara.com/in/en/help" target="blank">HELP</a>
        </div>

</div>
    <!-- end  -->
    
    <form>
        <input type="password" name="" id="OTP" placeholder="Enter you OTP">
        <input type="submit" name="" id="sub">
    </form>
</body>
</html>


<script>

    let arr=[{no:"12345"}]

document.querySelector("form").addEventListener("submit",otp)

function otp(event){
    event.preventDefault()

    let code=document.querySelector("#OTP").value
    
    for(let i=0 ; i<arr.length ; i++){
        let x=arr[i]
        if(x.no===code){
             alert("Payment Sucessfull") ;
           window.location.href="index.html"
           
        } else{
         alert("Please Enter Correct OTP")
           
        }
    
    }
    
       
}
let logdata=JSON.parse(localStorage.getItem("Userdata"))


logdata.forEach(function(elem){
	document.querySelector("#lg").innerText=elem.name;
})

</script>