JavaScript
5
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function countBy(x, n) {
let arr = [];
let sum = 0;
for (let i = 1; i <= n; i++) {
sum = x * i;
arr[i - 1] = sum;
}
return arr;
}
countBy(1, 10);function getNumberMask (number) {
var string = number.match(/^(\(?\+?\d{1,2}\)? ?\(?\d{1,3}\)? ?\d+\-? ?\d+\-? ?\d+)$/);
string = string[0];
var result = "";
for (var i =0;i<4;i++) {
result += string[i];
}
for (var i = 4; i<string.length;i++){
result += string[i].replace(string[i], "*");
}
return result;
}
console.log(getNumberMask("79502306392"))