freeCodeCamp/guide/english/certifications/coding-interview-prep/data-structures/remove-from-a-set/index.md

title
Remove from a Set

Remove from a Set

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Problem Explanation:

To solve this problem, you have to write a function for the class that removes a given element from the array if the array contains the given element.

Hint: 1

Use the built-in "has" function already created to test if the element exists in the Set.

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Hint: 2

Use the splice function to delete an element from an array.

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Spoiler Alert!

Solution ahead!

Basic Code Solution:

 this.remove = function(element){
    if(this.has(element)) {
        this.values().splice( this.values().indexOf(element), 1 );
    }
}

Run Code

Code Explanation:

• The if statement checks if the collection contains the element.
• If the if statement evaluates to true, then starting from the index at which the element is located, one element is deleted.
• If the if statement evaluates to false, then nothing occurs.

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