how to add a new element to a set in typescript

To add a new element to a Set in TypeScript, you can use the add method provided by the Set class. Here's an example:

index.ts
const mySet = new Set<string>(); // create a new Set to hold strings
mySet.add("apple"); // add a new element to the set
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In this example, we create a new Set called mySet that can hold strings. We then use the add method to add the string "apple" to the set.

You can add as many elements as you want to the set using the add method.