duplicate an array in javascript n times
const makeRepeated = (arr, repeats) =>
Array.from({ length: repeats }, () => arr).flat();
console.log(makeRepeated([1, 2, 3], 2));duplicate an array in javascript n times
const makeRepeated = (arr, repeats) =>
Array.from({ length: repeats }, () => arr).flat();
console.log(makeRepeated([1, 2, 3], 2));number of repetition in an array javascript
let targetted_array = [3,4,3,23,452,5,3,3,21,1,5,5];
function countInArray(array, element) {
let repeat_count = 0;
for (let i = 0; i < array.length; i++) {
if (array[i] === element) {
repeat_count++;
}
}
return repeat_count;
}
countInArray(targetted_array, 3) // will return 4. cuz "3" was repeated 4 times in the targetted_array
countInArray(targetted_array, 5) // will return 3. cuz "5" was repeated 3 times in the targetted_arrayCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
