JavaScript Set Checking if a value exist in a set

Help us to keep this website almost Ad Free! It takes only 10 seconds of your time:
> Step 1: Go view our video on YouTube: EF Core Bulk Insert
> Step 2: And Like the video. BONUS: You can also share it!

Example

To check if a given value exists in a set, use .has() method:

mySet.has(someVal);

Will return true if someVal appears in the set, false otherwise.



Got any JavaScript Question?