How to use the isSet function from lodash

Find comprehensive JavaScript lodash.isSet code examples handpicked from public code repositorys.

lodash.isSet is a function provided by the Lodash library that checks whether a given value is a Set object in JavaScript.

lodash-contrib.commonjs.js

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module.exports.isPlainObject       = _.isPlainObject;
module.exports.isPositive          = _.isPositive;
module.exports.isRegExp            = _.isRegExp;
module.exports.isSafeInteger       = _.isSafeInteger;
module.exports.isSequential        = _.isSequential;
module.exports.isSet               = _.isSet;
module.exports.isString            = _.isString;
module.exports.isSymbol            = _.isSymbol;
module.exports.isTypedArray        = _.isTypedArray;
module.exports.isUndefined         = _.isUndefined;

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+ 92 other calls in file

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(isRegExp); // => true


const isSafeInteger = _.isSafeInteger(1);
console.log(isSafeInteger); // => true


const isSet = _.isSet(new Set);
console.log(isSet); // => true


const isString = _.isString('abc');
console.log(isString); // => true

+ 15 other calls in file

How does lodash.isSet work?

lodash.isSet works by examining a given value and determining whether it is a Set object in JavaScript.

When called, lodash.isSet takes a single argument, which is the value to be checked. The function then checks whether the [[Class]] internal property of the value is equal to "[object Set]", which is the value returned by Object.prototype.toString.call() when called on a Set object.

If the value's [[Class]] property is equal to "[object Set]", then lodash.isSet returns true. Otherwise, it returns false.

Set objects in JavaScript are used to represent collections of unique values, and can be created using the Set constructor or using Set literal notation. By using lodash.isSet, JavaScript developers can programmatically identify and manipulate Set objects in their code, allowing for more powerful and flexible data processing and analysis.

Ai Example

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const _ = require("lodash");

// create a new Set object
const mySet = new Set(["apple", "banana", "cherry"]);

// create a non-Set object
const notSet = { items: ["apple", "banana", "cherry"] };

// check whether each value is a Set using lodash.isSet
console.log(`Is mySet a Set object? ${_.isSet(mySet)}`);
console.log(`Is notSet a Set object? ${_.isSet(notSet)}`);

In this example, we're using lodash.isSet to check whether a given value is a Set object in JavaScript. We first create a new Set object called mySet using the Set constructor and passing in an array of values. We then create a non-Set object called notSet, which has an items property but is not a Set object. We use lodash.isSet to check whether each of these values is a Set object, logging the results to the console. When we run this code, it will output the following messages to the console: vbnet Copy code

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