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Collect.js every() Method

  • Last Updated : 25 Nov, 2020
Geek Week

The every() method is used to verify all elements of the given collection and use a given truth test.

Syntax:

collect(array).every()

Parameters: The collect() method takes one argument that is converted into the collection and then every() function is applied on it, which can take element if you apply it on the collection of objects.

Below example illustrate the every() method in collect.js:

Example 1:



Javascript




const collect = require('collect.js');
  
const arr = [2, 4, 6, 8, 10, 12, 14];
  
const collection = collect(arr);
  
if (collection.every(element => element % 2 == 0)) {
    console.log('All elements are even');
} else {
    console.log('All elements are not even');
}

Output:

All elements are even

Example 2:

Javascript




const collect = require('collect.js');
  
const arr = ['Geeks', 'GFG', 'GeeksforGeeks', 'Welcome'];
  
const collection = collect(arr);
  
if (collection.every(element => element.length > 4)) {
    console.log('Every words contains more then 4 characters');
} else {
    console.log('Every words not contains more then 4 characters');
}

Output:

Every words not contains more then 4 characters

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