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Collect.js isEmpty() Method

  • Last Updated : 27 Nov, 2020

The isEmpty() method is used to check the given collection is empty or not and returns the corresponding boolean value.

Syntax:

collect(array).isEmpty()

Parameters: The collect() method takes one argument that is converted into the collection and then isEmpty() method is applied on it.

Return Value: This method checks the given collection is empty or not and returns the corresponding boolean value.

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



Example 1:




const collect = require('collect.js');
  
let arr = [];
  
const collection = collect(arr);
  
const isemp = collection.isEmpty();
  
console.log(isemp);

Output:

true

Example 2:




const collect = require('collect.js');
  
const collection = collect({});
  
const isemp1 = collection.isEmpty();
  
console.log(isemp1);
  
const collection1 = collect([10, 20, 30]);
  
const isemp2 = collection1.isEmpty();
  
console.log(isemp2);

Output:

true
false
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