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study javascript dya1_1

JavaScript
初心者

Posted at 2022-07-17

変数と定数

// 変数
let count = 0;
count = 30;
let newCount = 0;
// 定数
const daysInweek = 7;

console.log(count);

let additionResult = 2 + 5;
let result = 5;
result = result + 10;
result += 10;

// result +=1；と同じ意味
// result++;
// ++result;
console.log(result);

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