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form.js
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52 lines (42 loc) · 1.5 KB
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(function() {
var ccnum = document.getElementById('ccnum'),
type = document.getElementById('ccnum-type'),
expiry = document.getElementById('expiry'),
cvc = document.getElementById('cvc'),
submit = document.getElementById('submit'),
result = document.getElementById('result');
payform.cardNumberInput(ccnum);
payform.expiryInput(expiry);
payform.cvcInput(cvc);
ccnum.addEventListener('input', updateType);
submit.addEventListener('click', function() {
var valid = [],
expiryObj = payform.parseCardExpiry(expiry.value);
valid.push(fieldStatus(ccnum, payform.validateCardNumber(ccnum.value)));
valid.push(fieldStatus(expiry, payform.validateCardExpiry(expiryObj)));
valid.push(fieldStatus(cvc, payform.validateCardCVC(cvc.value, type.innerHTML)));
result.className = 'emoji ' + (valid.every(Boolean) ? 'valid' : 'invalid');
});
function updateType(e) {
var cardType = payform.parseCardType(e.target.value);
type.innerHTML = cardType || 'invalid';
}
function fieldStatus(input, valid) {
if (valid) {
removeClass(input.parentNode, 'error');
} else {
addClass(input.parentNode, 'error');
}
return valid;
}
function addClass(ele, _class) {
if (ele.className.indexOf(_class) === -1) {
ele.className += ' ' + _class;
}
}
function removeClass(ele, _class) {
if (ele.className.indexOf(_class) !== -1) {
ele.className = ele.className.replace(_class, '');
}
}
})();