함수의 표현
First-class function
1. 함수 표현식 (Function Expression)
function sum(a, b) {
return a + b;
}
const print = function () { // anonymous function(익명 함수)
console.log("print");
};
print();
const printAgain = print;
printAgain();
const sumAgain = sum;
console.log(sumAgain(1, 3));2. 콜백 함수 (Callback Function using function expression)
3. 화살표 함수 (Arrow Function)
4. IIFE (Immediately Invoked Function Expression)
Quiz! Function Calculate
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