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Lodash _.uniq() Method

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Lodash _.uniq() method is used to create an array of unique values in order, from all given arrays using SameValueZero for equality comparisons. 

Syntax:

_.uniq(array);

Parameter:

  • array: This parameter holds an array to inspect.

Return Value:

This method is used to return the new array of combined values. 

Example 1: In this example, we are getting an array having unique elements because of the lodash _.uniq() method.

javascript




// Requiring the lodash library
const _ = require("lodash");
 
// Original array
let y = ([1, 2, 2, 3, 4, 3, 8, 6]);
 
// Use of _.uniq()
// method
 
let gfg = _.uniq(y);
 
// Printing the output
console.log(gfg);


Output:

[ 1, 2, 3, 4, 8, 6 ]

Example 2: In this example, we are getting an array having unique elements because of the lodash _.uniq() method.

javascript




// Requiring the lodash library
const _ = require("lodash");
 
// Original array
let y = (['a', 'b', 'c', 'e', 'd', 'd', 'g', 'i', 'i']);
 
// Use of _.uniq()
// method
 
let gfg = _.uniq(y);
 
// Printing the output
console.log(gfg);


Output:

[ 'a', 'b', 'c', 'e', 'd', 'g', 'i' ]

Example 3: In this example, we are getting an array having unique elements because of the lodash _.uniq() method.

javascript




// Requiring the lodash library
const _ = require("lodash");
 
// Original array
let y = (['apple', 'banana', 'banana', 'chikoo',
    'Elderberry', 'Damson',
    'Date', 'guava', 'Damson Date']);
 
// Use of _.uniq()
// method
 
let gfg = _.uniq(y);
 
// Printing the output
console.log(gfg);


Output:

[  'apple',  'banana',  'chikoo',  'Elderberry',  'Damson',  'Date',  'guava',  'Damson Date' ]

Note: This code will not work in normal JavaScript because it requires the library lodash to be installed.



Last Updated : 27 Oct, 2023
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