JSFiddle - React, Tailwind, and code Playground

by acdcjunior

HTML

<form name="login" onsubmit="return check_info()">
    Username:
    <input type="text" name="username" id="username"/>
    <br/>
    Password:
    <input type="password" name="password" id="password"/>
    <br/>
    <br/>
    <input type="submit" value="Login"/>
</form>

JavaScript

function check_info(){
    var username = document.login.username.value;
    var password = document.login.password.value;
    
    if (username=="" || password=="") {
        alert("Please fill in all fields")
    } else {
        if(username=="test") {
            if (password=="test") {
                window.location.href = "Random.html"
            } else {
                alert("Invalid Password")
            }
        } else { 
            alert("Invalid Username")
        }
    }
    return false;
}