Javascript JS 형변환
String() console.log( String(3), String(true), String(null), String(undefined) ) Number() console.log(Number("1234"), Number(true), Number(false), Number("1234asdf456")); Boolean() true console.log(Boolean(1), Boolean(123), Boolean("Javascript")); false console.log(Boolean(0), Boolean(""), Boolean(null), Boolean(undefined), Boolean(NaN));