1.4 KiB
1.4 KiB
title | localeTitle |
---|---|
Learn About Functional Programming | 了解功能编程 |
了解功能编程
函数有一个输入或参数const myFunc = (input) => { ...code to execute... }
。在这种情况下,输入是要创建多少杯茶。
方法
只需更改一行代码即可传递此问题。必须调用getTea()
函数并将其存储在tea4TeamFCC
变量中。确保通读getTea()
函数并准确理解它的作用。该函数接受一个变量 - numOfCups
。首先制作一个teaCups[]
数组,并设置一个for循环来倒数传入函数的杯数。然后,通过for循环的每次迭代,将一杯新茶推入阵列。
从而产生一个阵列,其中包含最初传递给getTea()
函数的大量茶杯。
解
/**
* A long process to prepare tea.
* @return {string} A cup of tea.
**/
const prepareTea = () => 'greenTea';
/**
* Get given number of cups of tea.
* @param {number} numOfCups Number of required cups of tea.
* @return {Array<string>} Given amount of tea cups.
**/
const getTea = (numOfCups) => {
const teaCups = [];
for(let cups = 1; cups <= numOfCups; cups += 1) {
const teaCup = prepareTea();
teaCups.push(teaCup);
}
return teaCups;
};
// Add your code below this line
const tea4TeamFCC = getTea(40); // :(
// Add your code above this line
console.log(tea4TeamFCC);