<span>
{{ productsCount }}
</span>computed: {
productsCount() {
return this.checkedInput.reduce((acc, i) => { acc+= i.products.length; return acc }, 0)
}
}
function luhnAlgorithm(digits) {
let sum = 0;
for (let i = 0; i < digits.length; i++) {
let cardNum = parseInt(digits[i]);
if ( i % 2 === 0) {
cardNum = cardNum * 2;
if (cardNum > 9) {
cardNum = cardNum - 9;
}
}
sum += cardNum;
}
return sum % 10 === 0;
}
.wrapper{
position:relative;
overflow:hidden;
}<body>
<div style='wrapper'>
Ваш контент тут
</div>
</body>