poonia/pureFunctionGist.js

## pureFunctionGist.js
/*
Defination -
A pure function returns values by using only its arguments. It will not use any additional data nor it changes any data structures, touches no storage, and emits no external events (like network calls).
*/

function sum(a,b) {
    return a + b;
}

arr.map((item) => item.id);
	/*
	Defination -
	A pure function returns values by using only its arguments. It will not use any additional data nor it changes any data structures, touches no storage, and emits no external events (like network calls).
	*/

	function sum(a,b) {
	return a + b;
	}

	arr.map((item) => item.id);