Collect.js diffAssoc() Function

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The diffAssoc() function is used to compare two given collection and returns the values and their indices which are not present in the given collection. If key-value pair is given in the collection it compares and returns on the basis of keys specified.

Syntax:

diffAssoc( collection );

Parameters:

collection: It is the collection given whose values are to be compared from the original array.

Return Value: It returns the values and their indices which are not present in the given collection.

Example 1: When an array is given as a collection

Javascript

// Importing the collect.js module. 
const collect = require('collect.js'); 
let array = ["a", "b", "c", "d", "e"]; 
let arr = ["a", "b", "q"]; 
  
// Making the collec1 
let collec1 = collect(array); 
let collec2 = collect(arr); 
  
// Using diffAssoc() Function 
let aa = collec1.diffAssoc(collec2) 
  
// The output is so because c, d, e 
// are not present in collec2  
// But are present in collec1 
console.log("Output : ") 
console.log(aa.all()) 

Output:

Example 2: When object of key-value pair is given.

Javascript

// Importing the collect.js module. 
const collect = require('collect.js'); 
let obj1 = { "a": 1, "b": 12, "c": 3 }; 
let obj2 = { "a": 12, "d": 2, "c": 3 }; 
  
// Making the collec1 
let collec1 = collect(obj1); 
let collec2 = collect(obj2); 
  
// Using diffAssoc() Function 
let aa = collec1.diffAssoc(collec2) 
  
// The output is so because a whose  
// value is 1 and b whose value is 12  
// because are not present in collec2  
// But are present in collec1 
console.log("Output : ") 
console.log(aa.all()) 

Output:

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