JavaScript Nested Functions Explained Simply
A function within another function. A nested function can 'inherit' the arguments and variables of its containing function. Put simply, the inner function contains the scope of the outer function.
function orderTotal(price, quantity) {
function subtotal() {
return price * quantity;
}
return subtotal() + 5;
}
console.log(orderTotal(12, 3));Read more about Nested functions on MDN
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