Created
January 15, 2024 21:12
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Check VIN number
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<title>Car Info Form</title> | |
<style> | |
.block { | |
display: flex; | |
align-items: center; | |
justify-content: center; | |
height: 100vh; /* Занимает 100% высоты окна браузера */ | |
margin: 0; | |
} | |
.block form { | |
text-align: center; | |
padding: 20px; | |
border: 1px solid #ccc; | |
} | |
input { | |
width: 250px; | |
} | |
#warning { | |
display: none; | |
padding: 10px; | |
background-color: #ffc107; | |
border: 1px solid #ffa000; | |
margin-top: 10px; | |
font-weight: bold; | |
color: #333; | |
} | |
</style> | |
</head> | |
<body> | |
<div class="block"> | |
<form id="carForm"> | |
<label for="vin">VIN: WBATX710109G69194</label> | |
<br> | |
<input type="text" id="vin" maxlength="17"> | |
<div style="margin-top: 15px;"></div> | |
<br> | |
<label for="gn">GN: RRRR123</label> | |
<br> | |
<input type="text" id="gn"> | |
<div style="margin-top: 15px;"></div> | |
<br> | |
<button type="button" id="vin_btn">Submit</button> | |
<div id="warning"></div> | |
</form> | |
</div> | |
<script> | |
// Получаем элементы формы и кнопки | |
var vin = document.querySelector("#vin"); | |
var gn = document.querySelector("#gn"); | |
var btn = document.querySelector("#vin_btn"); | |
var vinRegex = /^[ABCDEFGHJKLMNPRSTUVWXYZabcdefghjklmnprstuvwxyz0-9]{1,17}$/; | |
var gnRegex = /^[A-Z]{3,4}\d{1,3}$/; | |
const _checkGn = { | |
1 : (val) => /[A-Z]/.test(val[0]), | |
2 : (val) => /[A-Z]/.test(val[0]) && /[A-Z]/.test(val[1]), | |
3 : (val) => /[A-Z]/.test(val[0]) && /[A-Z]/.test(val[1]) && /[A-Z]/.test(val[2]), | |
4 : (val) => /[A-Z]/.test(val[0]) && /[A-Z]/.test(val[1]) && /[A-Z]/.test(val[2]) && /[A-Z0-9]/.test(val[3]), | |
5 : (val) => /[A-Z]/.test(val[0]) && /[A-Z]/.test(val[1]) && /[A-Z]/.test(val[2]) && /[A-Z0-9]/.test(val[3]) && /[0-9]/.test(val[4]), | |
6 : (val) => /[A-Z]/.test(val[0]) && /[A-Z]/.test(val[1]) && /[A-Z]/.test(val[2]) && /[A-Z0-9]/.test(val[3]) && /[0-9]/.test(val[4]) && /[0-9]/.test(val[5]), | |
7 : (val) => /[A-Z]/.test(val[0]) && /[A-Z]/.test(val[1]) && /[A-Z]/.test(val[2]) && /[A-Z0-9]/.test(val[3]) && /[0-9]/.test(val[4]) && /[0-9]/.test(val[5]) && /[0-9]/.test(val[6]), | |
}; | |
const checkGn = (val) => { | |
if (!val || val.length >= 8){ | |
return false; | |
} | |
if (val.length >= 4 && /^[A-Z]{3}[0-9]+$/.test(val)){ | |
return val.match(/\d+/)[0].length <= 3; | |
} else { | |
return _checkGn[val.length](val); | |
} | |
}; | |
// Обработчики событий для ввода и клавиш | |
document.querySelector("#vin").addEventListener("keyup", function (e){ | |
inputHandler(e.target, (val)=>{ | |
return vinRegex.test(val) | |
}, 17); | |
}); | |
document.querySelector("#gn").addEventListener("keyup", function (e){ | |
inputHandler(e.target, checkGn, 7); | |
}); | |
document.querySelector("#vin").addEventListener("keydown", function (e){ | |
inputHandler(e.target, (val)=>{ | |
return vinRegex.test(val) | |
}, 17); | |
}); | |
document.querySelector("#gn").addEventListener("keydown", function (e){ | |
inputHandler(e.target, checkGn, 7); | |
}); | |
// Обработчик события для кнопки "Submit" | |
btn.addEventListener('click', function (e) { | |
e.preventDefault(); | |
// Валидация VIN и ГосНомер | |
if (!vinRegex.test(vin.value)){ | |
showWarning('Поле VIN код не прошел валидацию'); | |
return; | |
} | |
if (!gnRegex.test(gn.value)){ | |
showWarning('Поле ГосНомер не прошел валидацию'); | |
return; | |
} | |
sendForm(); | |
}); | |
// Отправка формы | |
function sendForm(){ | |
const vinVal = vin.value; | |
const gnVal = gn.value; | |
alert('Форма отправлена: ' + `VIN: ` + vinVal + ` GN: ` + gnVal); | |
} | |
// Обработчик ввода | |
function inputHandler(target, callback, maxLength){ | |
target.value = target.value.toUpperCase(); | |
if (!callback(target.value)){ | |
target.value = target.value.slice(0, -1); | |
} | |
target.value = target.value.slice(0, maxLength); | |
clearWarning(); | |
} | |
// Показать предупреждение | |
function showWarning(message) { | |
var warningDiv = document.getElementById('warning'); | |
warningDiv.textContent = 'Внимание: ' + message; | |
warningDiv.style.display = 'block'; | |
} | |
// Очистить предупреждение | |
function clearWarning() { | |
var warningDiv = document.getElementById('warning'); | |
warningDiv.textContent = ''; | |
warningDiv.style.display = 'none'; | |
} | |
</script> | |
</body> | |
</html> |
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