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Collect.js | each() Function

  • Last Updated : 12 Jun, 2020

The each() function iterates over the items in the collection and passes each item to a callback. In JavaScript, the array is first converted to a collection and then the function is applied to the collection.

Syntax: 
 

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data.each(item)

Parameters: This function accept a single parameter as mentioned above and described below:
 

  • item: This parameter holds the collection item where any operation will be performed on the collection on items.

Return Type: Return a result after performing the define operator operation.



Below examples illustrate the each() function in collect.js
Example 1: Here in this example, we take a collection and then using the each() method , we apply + operation to the collection.

Javascript




// It is used to import collect.js library
const collect = require('collect.js');
  
const num = [0 , 1 , 2 , 3 , 4];
let x = 0;
const data = collect(num);
  
data.each((item) => {
    x += item;
});
  
console.log(`sum = ${x}`);

Output: 

sum = 10

Example 2:

Javascript




// It is used to import collect.js library
const collect = require('collect.js');
  
  
let sum = 0;
const collection = collect([1 , 5 , 7 , 9]);
  
collection.each((item) => {
  sum += item;
});
  
console.log(sum);

Output: 

22

Reference: https://collect.js.org/api/each.html

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