What is the method to limit the keys of an object within a function to specific ones?

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One way to limit the keys of an object within a function to specific ones is to use destructuring assignment to extract only the desired keys. Here's an example:

function myFunction({ key1, key2 }) {
  // do something with key1 and key2
}

const myObj = {
  key1: 'value1',
  key2: 'value2',
  key3: 'value3'
};

myFunction(myObj); // only key1 and key2 will be passed in

In this example, the myFunction uses destructuring assignment to extract only the key1 and key2 properties from the object passed in. When myObj is passed in, only key1 and key2 will be used in the function, and key3 will be ignored.