How can I handle errors when using Maps in JavaScript?

How can I handle errors when using Maps in JavaScript?

You can handle errors in JavaScript Maps by using try-catch blocks when performing operations that might fail.

Can you give me an example of using try-catch with Maps?

Sure! Here's a simple example:

const myMap = new Map();
try {
    myMap.set('key', 'value');
    console.log(myMap.get('nonExistentKey'));
} catch (error) {
    console.error('Error:', error.message);
}

What kind of errors should I expect when working with Maps?

Common errors include trying to access a key that doesn't exist or passing invalid arguments to methods.

Is there a way to check if a key exists before accessing it?

Yes! You can use the has method to check if a key exists in the Map before accessing it.