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JavaScript Sets

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naly moslih answered on June 17, 2021 Popularity 10/10 Helpfulness 3/10

answer JavaScript Sets

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JavaScript Sets

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// Create a Set
const letters = new Set();

// Add Values to the Set
letters.add("a");
letters.add("b");
letters.add("c");

Popularity 10/10 Helpfulness 3/10 Language javascript

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Contributed on May 23 2022

naly moslih

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// Use to remove duplicate elements from the array 

const numbers = [2,3,4,4,2,3,3,4,4,5,5,6,6,7,5,32,3,4,5]

//spreading numbers of the object into an array using the new operator
console.log([...new Set(numbers)]) 

// [2, 3, 4, 5, 6, 7, 32]

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Tags: javascript j

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Contributed on Sep 13 2022

Umar code solver

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js set

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// Use to remove duplicate elements from the array 

const array = [2,3,4,4,2,3,3,4,4,5,5,6,6,7,5,32,3,4,5]

//spreading numbers of the object into an array using the new operator
console.log([...new Set(array)]) 

// [2, 3, 4, 5, 6, 7, 32]

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Tags: javascript j

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Contributed on Jun 17 2021

Light Lobster

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js Set

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const id = new Set();

id.add(1);
id.add(2);
id.add(3);
id.add(3);// duplicate value will not be added
console.log(id);// output: Set {1, 2, 3}
id.delete(2);// delete the value 2 from the set
console.log(id);// output: Set {1, 3}
id.has(2);// check if the set has the value 2 // output: true
console.log(id);


//order is not guaranteed

Popularity 10/10 Helpfulness 2/10 Language javascript

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Tags: javascript j

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Contributed on Aug 16 2022

The O Programing Language

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