homework/project_marketplace/src/components/Registration/LogValidation.js

const f9 = (rootId) => {
const login = 'admin';
    const password = 'qwerty';
    
    const task09block = document.createElement('div');
    const task09title = document.createElement('h2');
    const loginInputId =document.createElement('input');
    const passwordInputId =document.createElement('input');
    const signBtnId =document.createElement('button');
task09title.innerText = 'Task-09 Login and password';
    task09title.style = "margin-left:auto; margin-right:auto";
    loginInputId.style = 'display:block';
    loginInputId.placeholder = 'Enter login';
    passwordInputId.style = 'margin-top:10px;';
    passwordInputId.placeholder = 'Enter password';
    signBtnId.type = 'button';
    signBtnId.style = 'display:block; margin-top:20px';
    signBtnId.innerText = 'Sign in';
    
rootId.appendChild(task09block); 
task09block.appendChild(task09title); 
task09block.appendChild(loginInputId); 
task09block.appendChild(passwordInputId); 
task09block.appendChild(signBtnId); 
const pswdInMemory = [];
const pswdOnScreen = [];
    
//Замена вводимых символов пароля на экране на звездочки *
passwordInputId.oninput = () => {
    let pswdInputLength = 0;
    pswdInputLength = passwordInputId.value.split('').length;
    pswdInMemory.push(passwordInputId.value.split('')[pswdInputLength - 1]);
    pswdOnScreen[pswdInputLength-1] = "*";
    passwordInputId.value=pswdOnScreen.join('');
     }
//Верификация логина и пароля
signBtnId.onclick = () => { 
    const loginInput = loginInputId.value;
    const pswdInput = pswdInMemory.join('');
    let notific='';
    if (loginInput === login) {
        if (pswdInput === password)
        {
            notific = "Congratulations! Correct login & password";
     }
        else {
            notific = "Wrong password";        
        }
    } else {
        notific = "Wrong login"
    }
    passwordInputId.value = '';
    pswdInMemory.length = 0;
    pswdOnScreen.length = 0;
    alert(notific);
};

}
f9(root);
export default f9;