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login form validator #45

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login form validator #45

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64 changes: 64 additions & 0 deletions formValidator/app.js
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Original file line number Diff line number Diff line change
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const form= document.querySelector('form');
const username= document.querySelector('#username');
const email= document.querySelector('#email');
const password= document.querySelector('#password');
const confirmPassword= document.querySelector('#confirm-password');

function showErr(input,message){
const formControl= input.parentElement;
formControl.className='form-control error';
const small = formControl. querySelector('small');
small.innerText= message;
}

function showSucc(input){
const formControl= input.parentElement;
formControl.className='form-control success';

}
function checkEmail(input){
const re=/^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
;
if (re.test(input.value.trim())){
showSucc(input);
}else{
showErr(input,"Email is not valid")
}
}


function checkRequired (inputArr){

inputArr.forEach(function(input){
if(input.value.trim()===''){showErr(input,`${getFieldname(input)} is required`)}else{
showSucc(input)}
});
}
function getFieldname(input){
return input.id.charAt(0).toUpperCase()+input.id.slice(1);
}

function checkLength(input,min,max){
if(input.value.length< min){showErr(input,`${getFieldname(input)} must be at least ${min} characters`)}
else if(input.value.length>max){showErr(input,`${getFieldname(input)} must be less than ${max} characters`)}
else{ showSucc(input)}

}


function checkPasswordMatch(input1,input2){
if(input1.value!==input2.value){
showErr(input2,'Passwords do not match')
}
}

form.addEventListener('submit',function(evt){
evt.preventDefault();
checkRequired([username,email,password,confirmPassword]);

checkLength(username,3,15);
checkLength(password,6,25);
checkEmail(email);
checkPasswordMatch(password,confirmPassword);
})

43 changes: 43 additions & 0 deletions formValidator/index.html
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<!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>Form Validator </title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<form id="form" class="form">
<h2>Register With Us</h2>

<div class="form-control">
<label for="username">Username</label>
<input type="text" id="username" placeholder="Enter Username">
<small>Error Message</small>
</div>

<div class="form-control">
<label for="email">Email</label>
<input type="text" id="email" placeholder="Enter email">
<small>Error Message</small>
</div>
<div class="form-control">
<label for="password">Password</label>
<input type="password" id="password" placeholder="Enter password">
<small>Error Message</small>
</div>
<div class="form-control">
<label for="confirm-password">Confirm Password</label>
<input type="password" id="confirm-password" placeholder="Enter confirm-password">
<small>Error Message</small>
</div>
<button>Submit</button>
</form>

</div>

<script src="app.js"></script>
</body>
</html>
88 changes: 88 additions & 0 deletions formValidator/style.css
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@import url('https://fonts.googleapis.com/css?family=Open+Sans&display=swap');


:root{
--success-color:#2ecc71;
--error-color:#e74c3c;
}




*{
box-sizing: border-box;
}

body{
background-color: #f9fafb;
font-family: 'Open Sans',sans-serif;
display: flex ;
align-items: center;
justify-content: center;
min-height: 100vh;
margin: 0;
}
.container{
background-color: white;
border-radius:5px ;
box-shadow:0 2px 10px rgba(0,0,0,0.3) ;
width: 446px;
}
#form{
padding:30px 40px;
}
h2{
text-align: center;
margin: 0 0 20px;
}
.form-control{
margin-bottom: 10px;
padding-bottom: 20px;
position: relative;
}
.form-control label{
color: #777;
display: block;
margin-bottom: 5px;
}
.form-control input{
border: 2px solid #f0f0f0;
border-radius: block;
width: 100%;
padding: 10px;
font-size: 14px;
}
.form-control input:focus{
outline: 0;
border-color:#777
}
.form-control.success input{
border-color: var(--success-color);
}
.form-control.error input{
border-color: var(--error-color);
}
.form-control small{
color:var(--error-color);
position: absolute;
bottom: 0;
left: 0;
visibility: hidden;
}

.form-control.error small{
visibility: visible;
}
.form button{
cursor: pointer;
background-color: #3498db;
border: 2px solid #3498db;
border-radius: 4px;
color: #fff;
display: block;
font-size: 16px;
padding: 10px;
margin-top:20px ;
width: 100%;

}