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Lodash _.isSet() Method

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Lodash _.isSet() method is used to find whether the given value is classified as a Set object or not. It returns True if the given value is a set. Otherwise, it returns false.  

Syntax:

_.isSet(value)

Parameters:

This method accepts a single parameter as mentioned above and described below:

  • value: This parameter holds the value to check.

Return Value:

This method returns true if the value is a set, else false.

Example 1: In this example, the code creates an array of size 2, fills it with the value 10, and then checks if the array is a Set object using the _.isSet() method.

Here, const _ = require(‘lodash’) is used to import the lodash library into the file.

Javascript




// Requiring the lodash library 
const _ = require("lodash"); 
 
// Creating a array of size 2
var obj= new Array(2);
 
// Filling array with value 10
obj.fill(10);
     
// Use of _.isSet() method
console.log(_.isSet(obj));


Output:

false

Example 2: In this example, the code uses the Lodash library to check whether the given values are Set objects using the _.isSet() method.

Javascript




// Requiring the lodash library 
const _ = require("lodash"); 
     
// Use of _.isSet() method
console.log(_.isSet(new Set));
console.log(_.isSet(new WeakSet));


Output:

true
false

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


Last Updated : 13 Nov, 2023
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