개요
- JavaScript 문자열을 int로 변환
console.log(Number('123')); // 123
console.log(parseInt('123')); // 123 (default base-10)
console.log(parseInt('123', 10)); // 123 (explicitly specify base-10)
console.log(parseInt(' 123 ')); // 123 (whitespace is ignored)
console.log(parseInt('077')); // 77 (leading zeros are ignored)
console.log(parseInt('1.9')); // 1 (decimal part is truncated)
console.log(parseInt('xyz')); // NaN (input can't be converted to an integer)