Collect.js whereNotIn() Method
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
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
const collect = require( 'collect.js' );
let obj1 = [
{ "a" : 1 },
{ "a" : 2 },
{ "a" : 3 },
{ "a" : 4 },
{ "b" : 5 }
]
let collection = collect(obj1);
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
const collect = require( 'collect.js' );
let obj1 = [
{ "b" : 1 },
{ "c" : 2 },
{ "b" : 3 },
{ "b" : 4 },
{ "b" : 5 },
{ "c" : 11 },
{ "c" : 12 },
]
let collection = collect(obj1);
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
Last Updated :
29 Jul, 2020
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