nodejs count elements before element in array

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Kind Kinkajou answered on September 20, 2022 Popularity 3/10 Helpfulness 1/10

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answer nodejs count elements before element in array

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nodejs count elements before element in array

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Tip Kind Kinkajou 1 GREPCC

const myArray = [1, 2, 3, 4, 5];
// Find the number of elements before a given item
// by simply using the index.
// If the element doesn't exist, -1 will be given which is set to 0
// from the Math.max
const itemCountBefore2 = Math.max(myArray.findIndex(2), 0); // 1

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const myArray = [1, 2, 3, 4, 5];

// Find the number of elements before a given item

// by simply using the index.

// If the element doesn't exist, -1 will be given which is set to 0

// from the Math.max

const itemCountBefore2 = Math.max(myArray.findIndex(2), 0); // 1

Popularity 3/10 Helpfulness 1/10 Language javascript

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Tags: count element elements javascript

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Contributed on Sep 20 2022

Kind Kinkajou

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