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number of repetition in an array javascript

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maldito codificador answered on January 19, 2022 Popularity 9/10 Helpfulness 6/10

answer number of repetition in an array javascript

related js find duplicates in array and count of numbers

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number of repetition in an array javascript

Comment

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_array

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript

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Contributed on Jan 19 2022

maldito codificador

0 Answers Avg Quality 2/10

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js find duplicates in array and count of numbers

Comment

const arr = ["a", "b", "c", "d", "e", "a", "b", "c", "f", "g", "h", "h", "h", "e", "a"]
const counts = {};
arr.forEach((x) => {
  counts[x] = (counts[x] || 0) + 1;
});
console.log(counts)

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: thewebdev.info

Tags: count coun

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Contributed on Sep 03 2022

MAKSTYLE119

0 Answers Avg Quality 2/10

count how many times elements in an array are repeated javascript

Comment

var counts = {1,2,3,3,2,4,1,4};
your_array.forEach(function(x) { counts[x] = (counts[x] || 0)+1; });

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: count elements javascript

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Contributed on Jan 25 2022

Lively Loris

0 Answers Avg Quality 2/10

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number of repetition in an array javascript

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number of repetition in an array javascript

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js find duplicates in array and count of numbers

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