What is Axios? What is friend function? Given any array find the multiple elements?

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Accepted Answer

Axios is a popular JavaScript library used for making HTTP requests.

Axios is commonly used in frontend applications to communicate with backend servers.
It supports promises and can be used in both browser and Node.js environments.
Example: axios.get('https://api.example.com/data')
Friend function is a function that is not a member of a class but has access to its private and protected members.
It is declared with the keyword 'friend' in C++.
Example: class A { friend void friendFunction(A obj); };
To find multiple elements in an array of strings, you can use methods like filter, map, or reduce.
Example: const array = ['apple', 'banana', 'cherry']; array.filter(item => item.includes('a'));

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