The whereNotIn() method in collect.js is used to filter the elements from the given collection on the basis of key and value. If particular set of key-value is found then it is filtered out.
Installation:
- In NodeJs:
npm install collect.js
- CDN for collect.js
<script src="https://cdnjs.com/libraries/collect.js"></script>
Syntax:
whereNotIn(key, array_value);
Parameters:
- key: The key whose value is to be removed.
- array_value: The array of values that key is to be removed.
Return Value: It returns the object.
Example 1:
Javascript
// Importing the collect.js module. const collect = require('collect.js'); let obj1 = [     { "a": 1 },     { "a": 2 },     { "a": 3 },     { "a": 4 },     { "b": 5 } ]   // Making a collection let collection = collect(obj1);   // Using whereNotIn() method to return // a collection not having value 2, 4 // For key "a" let collectionFilter = collection             .whereNotIn("a", [2, 4]);   console.log("Original collection is: ",             collection.all())               console.log("Filtered collection is: ",             collectionFilter.all()); |
Output:
Example 2:
Javascript
// Importing the collect.js module. const collect = require('collect.js');   let obj1 = [     { "b": 1 },     { "c": 2 },     { "b": 3 },     { "b": 4 },     { "b": 5 },     { "c": 11 },     { "c": 12 }, ]   // Making a collection let collection = collect(obj1);   // Using whereNotIn() method to return // a collection not having value 1, 2, 4 // For key "b" let collectionFilter =     collection.whereNotIn("b", [1, 2, 4]);   collectionFilter =     collection.whereNotIn("c", [11]);   console.log("Original collection is: ",     collection.all());   console.log("The output will not contain "        + "value of 1, 2, 4 for key \"b\""        + " and value of 11 for key \"c\"");   console.log("Filtered collection is: ",         collectionFilter.all()); |
Output:
Reference: https://collect.js.org/api/whereNotIn.html
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