[30 Days of JS] Create Hello World Function / Counter

2025. 5. 7. 07:37개인활동/코테

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/**
 * @return {Function}
 */
var createHelloWorld = function() {
    
    return function(...args) {
        return "Hello World";
    }
};

/**
 * const f = createHelloWorld();
 * f(); // "Hello World"
 */
 

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/**
 * @param {number} n
 * @return {Function} counter
 */
var createCounter = function(n) {
    
    return function() {
        return n++;
    };
};

/** 
 * const counter = createCounter(10)
 * counter() // 10
 * counter() // 11
 * counter() // 12
 */

 

https://leetcode.com/studyplan/30-days-of-javascript/

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