How to usethe Set Constructor in Javascript
- Create a Set from the Array
- Convert Set back to an Array
- Output the result
Example: In this example we are using the set constructor.
const array = [1, 2, 2, 3, 4, 4, 5];
// Convert array to Set
const setFromArr = new Set(array);
// Convert Set back to array (if needed)
const newArray = Array.from(setFromArr);
// Output
console.log(setFromArr); // Output: Set { 1, 2, 3, 4, 5 }
console.log(newArray); // Output: [1, 2, 3, 4, 5]
Output
Set(5) { 1, 2, 3, 4, 5 }
[ 1, 2, 3, 4, 5 ]
How to Convert Array to Set in JavaScript?
The goal is to transform a JavaScript Array into a Set using JavaScript’s built-in features. This process involves taking all the elements from the array and putting them into a Set, which is a data structure that only contains unique values. By doing this conversion, we can efficiently manage and operate on the array’s elements without worrying about duplicates.
Below are the approaches to Converting Array to a Set in JavaScript:
Table of Content
- Approach 1: Using spread Operator
- Approach 2: Using the Set Constructor
- Approach 3: Using the forEach Loop
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